Question

Uncle Ron had 10 boxes of red pens and 15 boxes of blue pens. There were 47 red pens in each box. He sold 326 red pens and 471 blue pens. If he had 453 pens left, (a) how many blue pens did Uncle Ron have left? (b) how many blue pens were in each box?

please explain! and show your work! thanks​

Answer 1

10 × 47 = 470

(a) 470 – 326 = 144

453 – 144 = 309

309 The number of blue pens Uncle Ron had left was

309 + 471 = 780

(b)

780 ÷ 15 = 52

Thus , 52 blue pens were in each box.

Explanation: