Answer :
[tex]5\ cars\ in \ hour\\
x\ cars\ in\ 7*2\ hours\\\\
making\ proportion:\\
5-1\\
x- 14\\\\
cross\ multiplication\\\\
5*14=x\\\\
70=x\\\\
They\ washed\ 70\ cars.[/tex]
Answer:
Sam and Jesse can wash 70 cars in 2 days.
Step-by-step explanation:
Sam and Jesse can wash 5 cars each hour or in one hour both Sam and Jesse can wash 5 cars.
They work for 7 hours each day over 2 days. So the total number of hours that they worked is [tex]7\times 2[/tex] hours.
Hence, in 14 hours Sam and Jesse can wash,
[tex]=14\times 5[/tex]
[tex]=70\ hours[/tex]
Therefore, working both Sam and Jesse can wash 70 cars in 2 days.
