10 - 2x
10 - 2(7)
= 10 - 14
= -4
Answer:
Approximately 57 minutes.
Step-by-step explanation:
5 ÷ 45 = 1/9
1/9 · 8.5 = 17/18
An hour = 60 mins so
60 ÷ 18 = 10/3
10/3 · 17 = 56.6666667
also known as 56.67 minutes if rounded to hundreds, 56.7 minutes if rounded to the tenths, and 57 minutes if rounded to a whole number.
Answer:
x = 129, rounded
Step-by-step explanation:
3x + 144 = 532
<u> -144 -144 </u>
3x = 388
divide both sides by 3
x = 129, rounded
30 seconds every 15 minutes.
The total time passed was 8 hours and 16 minutes. 16 minutes late meant that the trip normally takes 8 hours. over 8 hours 16 minutes were lost. 16min divided by 8 hours is 2 minutes per hour. 2 minutes is 120 seconds (2*60). there are four 15 minute intervals in an hour so 120/4= 30 seconds per every 15 minutes.
Answer:
D
Step-by-step explanation:
