Question

Robert and David were preparing to have a water balloon fight. "No Fair" cried Robert, "You have 3 times as many as I do!" David said "Fine!" and gave Robert 10 more balloons. "Still not fair!" argued Robert, "You still have twice as many as I do." How many more balloons must David give Robert for them to have the same number?​

Answer 1

Answer:

20 more balloons

Explanation:

first they had 120 balloons. David took 90 balloons and robert 30 balloons.Then he gave 10 to Robert . He has 40 and David has 80. At last they have 60 balloons each.

Answer 2

Answer:

20 more billion

Explanation:

First they had 120 ballons. David took 90 ballons and Robert 30 ballons Then they gave 10 to Robert He has 40 and David had 30