How do you divide fractions

At the supermarket, there are two kinds of flour packages. If you buy 5 packs of Package A and 6 packs of Package B, the total weight of flour is 85 kg; if you buy 10 packs of Package A and 4 packs of Package B, the total weight of flour is 90 kg.

What is the unit rate for $70 for 9 pizzas

What value of c makes x2+bx+c a perfect square trinomial?

If y=2 than y=50 (1) + 15 what is Y?

represents the sum of two consecutive integers

Five and nine tenths in standard form

The annual interest rate of jackie's savings account is 6.4% and simple interest is calculated semiannual, what is the periodic interest of jackie's savings account

A stone fell from the top of a cliff into the ocean. In the air, it had an average speed of 16. In the water, it had an average speed of 3 before hitting the seabed.

What is an equivalent expression for 2.50 (600-500*.25) - 500?

Kate has a summer job as a swim instructor to earn her college tuition. She gets paid $4 per hour for the first 30 hours and $6 per hour for each hour in the week worked over 30 hours. Kate's goal is to earn at least $144 per week.