Question

bruce wayne splits his budget by using the ratio 13:7 for every 13 he spends on research he donates 7 to local charities if he spent 3250 on research last week how much did he spend on donations

Answer 1

1750

Explanation:

Divide 3250 by 13 to get 250. Then multiply 250 x 7 to get 1750.

To check your work, divide 3250 by 1750 and divide 13 by 7 and check if you get the same answer for each.