Answer:
The ages of the brothers are 31,32,and 33
Step-by-step explanation:
Answer:
100 miles per 5 hour
Step-by-step explanation:
by the average speed of 20 miles per hour
it takes 5 hour average to cover 100 miles
Answer:
40
60
Step-by-step explanation:
20÷2=10
10×4=40
10×6=60
Answer:
just firgure out how many 7 and 4s go into 40
Step-by-step explanation:
Standard form : Ax + By = C
y = 4/5x - 2....subtract 4/5 from both sides
-4/5x + y = -2 ....multiply both sides by -5
4x - 5y = 10 <== standard form