Question

Nick purchased a box of 425 thumbtacks. The box contained green thumbstacks and yellow thumbstacks. The number of green thumbstacks to the number of yellow thumbstacks was in the ratio of 7:10. How many yellow thumbstacks were in this box?

Answer 1

250 yellow thumbtacks

Explanation:

7:10 ratio (17 thumbtacks)

425 / 17 = 25

7 x 25 = 175 green

10 x 25 = 250 yellow