Amy can wash 75 cars in 12 hours, Roger can wash 64 cars in 12 hours.
so therefore 75+64 =139
together they can wash 139 cars in 12 hours
Answer:
3
Step-by-step explanation:
Answer:
no solutions
Step-by-step explanation:
n+(-n) = 3+ 15
n+-n = 0
0= 18
False
There are no solutions
5miles/8km = xmiles/80km
8x=400
x=50
Answer: the units digit has to be a 1 digit number not 2
Step-by-step explanation: