21 + 15 = 36
36 x 3 = 108
Their father donated $108 to charity
Answer:
$108.
Step-by-step explanation:
We have been given that Anna and Joe's father donated $3 for every lap they swam in a swim-a-thon Ann swam 21 laps and Joe swam 15 laps. We are asked to find the amount of money their father donated using distributive property.
[tex]\text{Amount of money their father donated}=\$3(21+15)[/tex]
[tex]\text{Amount of money their father donated}=\$3\times21+\$3\times15[/tex]
[tex]\text{Amount of money their father donated}=\$63+\$45[/tex]
[tex]\text{Amount of money their father donated}=\$108[/tex]
Therefore, the amount of money donated by their father was $108.
