Luis is 4 years older than Colleen. In 4 years the sum of their ages will be 52. How old is Luis now?

Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

For the equations below which statement is true ?