The rules of a contest say there is a 1 out of 20 chance of winning a prize. 420 people enter the contest. Predict how many people will win a prize.

How to solve 5x+5 (7) as a factor expression

What is the answer to 90-9:3 I subtracted 90-9=81 then I divided 81:3 and my answer is 27. Is that correct?

What is the awswer for 0.75a=-9

I need to divide a recipe in half that calls for 1/2 of a cup of sugar. How much sugar do I need?

Jane has three bottles that each hold 0.75 liters. She fills them with olive oil from a store that charges $0.21 for every 25 milliliters of oil. How much does it cost Jane to fill her three bottles with olive oil?

Find the value of 48 - 32 : 4 · 2. 8 32 40 44

2/3, 24%, 0.61 least to greasiest

If y=8 when x=3, find y when x=45.

Simplify - (3a+4b) + 5a-4b 2a 8a-8b 2a-8b 2a+8b

Janice is dividing 1.92 divided by 6. Why does she exchange the place value blocks shown for 18 tenths and 12 ones?