27 students is 90% of how many students

Lori has 5 blue plates and 10 red plates. What percent of her plate collection is blue?

How do you simply 5/8 and 3/10

What does it mean if a solution has a ph number of 3, 12, 2, 7, or 9?

A combined total of $46,000 is invested in two bonds that pay 4% and 9.5% simple interest. The annual interest is $3,490.00. How much is invested in each bond?

What power do i raise the expression 15/2 to get 7

You and your friend are sharing 3/8 of candy. How much of the bag will each of you get if you share evenly?

The sequence follows a minus 3 pattern: 12, 9, 6, 3, ... (Write a formula for the nth term of the sequence, be sure to specify what value of n your formula starts with.)

Contessa is solving an absolute value inequality. She writes the compound inequality - 7<8-3q<7 as her first step. Which inequality is Contessa solving?

Use the distributive property to find two expressions that are equivalent to 7 (3x-4)

Sue is knitting a blanket for her infant niece. Each day, she knits four more rows than the day before. She knitted seven rows on Sunday. How many rows did she knit on the following Saturday?