Answer:
31 hours
Step-by-step explanation:
To at least buy the Air-Pods she will need to work at least 31 hours. You can either round at the beginning or end, I'll demonstrate rounding at the end. Divide $278.10 by $9.00, getting 30.9. You would have to round up to insure you have enough money, getting 31 hours
if the order mattered it would be 7*6*5 *4*3 = 2520 arrangements
if order didn't matter
7*6*5*4*3*2 divided by (5*4*3*2*2) = 21
Answer:
x=12
Step-by-step explanation:
8x6=48 =x
6x6=36
equation= 6x*6-48=x
Answer:
Necesitara 36 litros de gasolina para recorrer 540 km
Step-by-step explanation:
K G
180 12
540 X
=(540x12)/180
=6480/180
=540
