math problem answers?

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A car travels at a constant rate at 45 miles per hour. find the amount of time it takes the car to travel 180 miles

2007-11-06 10:01:29 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

d = r * t

180 = 45t
4 hours = t

2007-11-06 10:04:01 · answer #1 · answered by Ms. Exxclusive 5 · 0⤊ 0⤋

Hello,

The formula is d = rt so 180 = 45T then t = 180 / 45 = 4 hours.

Hope This Helps!!

2007-11-06 18:04:54 · answer #2 · answered by CipherMan 5 · 0⤊ 0⤋

45/1=180/x
45x=180
x=180/45
x=4

2007-11-06 18:15:37 · answer #3 · answered by amazingmiranda1 1 · 0⤊ 0⤋

t= (180mi/ 45mi/hr) = 4 hrs

2007-11-06 18:04:23 · answer #4 · answered by xandyone 5 · 0⤊ 0⤋