266,333 views
3 votes
3 votes
You earn $35 for washing 7 cars. How much do you earn for washing 4 cars?

Please explain too, Thank you very much

User Ahmad Saad
by
2.9k points

1 Answer

25 votes
25 votes

Answer:

The earning by washing four cars is $20

Explanation:

You earn $35 for washing 7 cars.

The following steps can be used in order to determine the earning by washing four cars:

Step 1 - The unitary method can be used in order to determine the earning by washing four cars.

Step 2 - According to the given data, the earning by washing seven cars is $35.

Step 3 - So, the earning for washing four cars is given by:

4/7 x 35

Step 4 - Simplify the above expression.

140/7

= $20

So, the earning by washing four cars is $20.

User Chris Nicol
by
3.2k points