Hiếu Minh already has 18 plants in her backyard, and she can also grow 7 plants with every seed packet she uses. How many seed packets does Hiếu Minh need to have a total of 53 plants in her backyard?
5
Aldi buys and sells paintings. he uses the formula shown to work out the percentage profit he makes. work out Aldi 's percentage profit if the cost price is $250 and the selling price is $300
16,67%
Rearrange the formula to make the variable inside the bracket as subject
(a - 3) / 7
Rearrange the formula to make the variable inside the bracket as subject
(y - c) / x
A hiking club charges an initial fee of $60 and then $12 for each hiker. Write an expression to model the total cost and then evaluate the expression for 1 to 6 hikers.
72, 84, 96, 108, 120, 132
Phương Anh already knew 16 appetizer recipes before starting culinary school, and she will learn 3 new appetizer recipes each week of school. After how many weeks of culinary school will Phương Anh know a total of 37 recipes?
7
Rearrange the formula to make the variable inside the bracket as subject
(y - c) / x
Rearrange the formula BMI=m/h^2 to make "m" the subject.
m = BMI × h^2
Rearrange the formula to make the variable inside the bracket as subject
(a - 3) / 7
Joe thinks of a number, n, triples it, and subtracts 3. The result is 42. Write this as an equation in terms of n, and solve the equation.
see the picture
Hùng's graduation picnic costs $9 for every attendee. At most, how many attendees can there be if Hùng budgets a total of $36 for his graduation picnic?
$4
A person can pay $12.64 for a membership to the science museum and then go the museum for $1.07 per visit. What is the maximum number of visits a member of the science museum can make for a total cost of $14.78?
2
Jennie thinks of a number, p, double it, and add with 5. The result is 27. Write this as an equation in terms of p, and solve the equation.
see the picture
Using the formula F = ma to work out the value of m when F = 34 and a = 2.5
13.6
When ringing up a customer, a cashier needs 11 seconds to process payment as well as 4 seconds to to scan each item being purchased. If it takes 43 seconds to ring up a customer, how many items are being purchased?
8
Khôi learns two new appetizer recipes during each week of culinary school. After how many weeks of culinary school will Khôi know a total of 18 recipes?
9
Dung's birthday party costs $1 plus an additional $8 for every guest she invites. How many guests can there be, at most, if Dung can afford to spend $41 on her birthday party?
5
Minh Anh had already read 1 book before joining a book club, and she plans to read 7 books per month now that she has joined. If Minh Anh has read 50 books so far, how many months has she been with her book club?
7
Trân buys x shares of stock in a company at $34.50 per share. She later sells the shares at $40.50 per share. Write an equation to show how much money, m, Trân has made.
m= x($40.50 - $34.50)
A plumber charges $21.02 to visit a client's home, plus an additional $23.84 per hour. What is the duration, in hours, of a plumber's visit that costs $68.70?
2
The formula used in science is: V = I. R where V is the voltage, I is the current, and R is the resistance. Work out the value of V when I = 3 and R = 8
24
Danh has already baked 2 pies, and he can bake 3 pies with each additional cup of sugar he buys. How many extra cups of sugar does Danh need to bake a total of 38 pies?
12
A photographer charges $16.90 to travel to a client's location, plus $25.25 per hour for his services. What is the duration, in hours, of a photography session that costs $92.65?
3