Answer:
a = 25
b = 100
c = 17
d = 68
Step-by-step explanation:
If you mean equal payments each week like 30x = 2730 then it would be $91 per week for the 30 weeks to pay it
He bikes 4/10 of a mile in 1/5 of an hour
That is 4/10 miles in 1/5 hours
Average speed = Distance/ time = 4/10 ÷ 1/5 = 4/10 × 5/1 = 2 miles/hour
