3 x A = 30 + 30

it's a 3rd grade problem but don't know the answer

Mia has 36 roses and 48 carnations to put into vases. She wants to put the same amount of roses and the same number of carnations into each vase. What is the greatest number of vases she will need in order to do this?

What is the future value if £6000 is invested for 5 years at 11% p. a?

What are the dimensions of a rectangle that has a perimeter of 44 units and an area of 105 square units?

Alaska, Hawaii, Washington have active volcanoes. Alaska has 43, Hawaii has 5, and Washington has v. If hey have 52 active volcanoes in all, how many volcanoes does Washington have?

An oil well produces 172 gallons of oil everyday. A standard oil barrel holds 42 gallons of oil. About how many barrels of oil will the well produce in one day? Explain your thinking.

How can you tell if a number is devisible by 3?

The legs of a right triangle are 6 units and 7 units. What is the length of the hypotenuse?

Two sides of a triangle measure 5 in, and 12 in. Which could be the length of the third side? 03 in 6 in 10 in o 18 in

Solve for x: 0.8 (5x+15) = 2.6 - (x+3)

An acute angle θ is in a right triangle with sin θ = two thirds. What is the value of cot θ?