Let time traveled pushing motorcycle = t
distance traveled pushing motorcycle = distance traveled on motorcycle
⇒ 3 * t = 60 * (21-t)
⇒ 3t = 1260 - 60t
⇒ 63t = 1260
⇒ t = 1260/63
⇒ t = 20 hours
He pushed the motorcycle for 20 hours
Answer:
Step-by-step explanation:
Something
Answer:
C=13
Step-by-step explanation:
Pythagorean theorem
a^2 + b^2=c^2
a squared plus b squared equals c squared
Answer:
(a) 4d
(b) 4x+12y
Step-by-step explanation:
If there are 4 pencils in a pack and she buys d packs, the amount of pencils she gets is 4*d, or 4d. The same principle goes for (b). Hope this helps!