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Express the ratio as a fraction in simplest form: 56 pencils to 64 erasers
7/8
Do the ratios 6:22 and 5:20 make a proportion?
no
Solve the proportion 12:28 = r:63
r = 27
An a map the scale is 5 cm = 2km. If two towns are 2 cm apart on the map, what is the actual distance between the cities?
0.8 km
A building cast a 90-meter shadow at the same time a 1.5 meter tall person casts a 0.75 meter shadow. How tall is the building?
180 meters
15 is 4% of what number?
375
15 is what percent of 120?
12.5%
A teacher estimated there were 250 students in the assembly, but there were actually only 231 students. What was the teachers percent of error? Round to the nearest tenth if necessary.
8.2%
Michelle had a 24 pack of crayons at the beginning of the school year. Now she only has 7 in the pack. What is the percent of change in crayons. Round to the nearest tenth, if necessary. And tell if it's an increase or decrease
70.8 % decrease
Of the 300 students at the high school only 3% were absent on Tuesday. How many students were present?
291 students were present
Ashley has read 520 pages of her new book. This is equivalent to 80% of the book. How many total pages are in the book?
650 pages
Will and his wife went to dinner. The bill was $85 and he tipped the waiter 18%. What was the total including tip?
$100.30
Allison wanted to a purse that cost $45. She had a 15% off code to use. What was the price after the discount and before tax?
$38.25
Mike's total bill for groceries was $67.43 before tax. If sales tax is 8%, how much did he pay in taxes?
$5.39
If two angles are supplementary and one angle measures 55 degrees, what's the measure of the other angle?
125 degrees
A 119 degree is vertical to angle A. What is the measure of angle A?
119 degrees
