181k views
5 votes
Martha and Dave have 99$. Martha has 3 more than seven times as much money as Dave. How much does each person have?

User Wonderbell
by
7.7k points

1 Answer

1 vote

Answer:

x = 12 m = 87

Explanation:

x = Dave

(7x + 3) + x = 99

8x + 3 = 99

-3 -3

8x = 96

---- ----

8 8

x = 12

7(12) + 3

84 + 3

87

Dave has 12 dollars, Martha has 87.

User SagittariusA
by
8.7k points

Related questions

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.