In science class the girl to boy ratio is 6 to 2. If there are 30 girls how many boys are there?

Mike has 15.68 pounds of aluminum cans, how many more to make 50 pounds ?

If Marcus flies from Chicago to Orange County at 560 mph and is in the air for three hours how many air miles has he traveled

Jenny has already taken 23 quizzes during past quarters and she expects to have 1 quiz during each week of this quarter each of this quarter After attending 3 weeks of school how many quizzes will Jenny have to take in total

What is the sum of the first 28 terms of this arithmetic sequence? 69, 75, 81, 87, 93, 99, ...

Suppose you write a sum of numbers as a product of their GCF and another sum. What is the GCF of the numbers in the other sum? Explain.

Tommy and his dad rode their bikes at a speed of 12 m. h. p. For 2 hours. They rested in a park and rode at 8 m. p. h. For 2 more hours. How many miles did they travel in total?

Find the sum. 318 + 34 + (-216) =

Write the fraction as a percent. round to the nearest tenth of a percent if necessary. 4/5

42 divided by 3 how many are in each group

Josh has a box of ballons. in that box he finds that 1/8 of the ballons are blue out of 120 ballons in the box the rest is red. how many blue ballons are in the box?