1km = 1000m
1hr = 3600sec
Do proportions:
1km / 1000m = 15km / x
15000m = x
1hr = 3600sec
15000/3600 = 4.2m per second
Choice 4
$85 ÷ 5 = 17
You have to sell 17 more friendship bracelets to get $85
Answer:
x = 6
y = 8
Explanation and graph is given in picture
I hope it helps.