Answer:
<u>4 hours</u>
Step-by-step explanation:
Equations :
Larry : <u>y = 20x + 90</u>
Barry : <u>y = 30x + 50</u>
Equate both to find the number of hours at which they both charge the same :
- 20x + 90 = 30x + 50
- 30x - 20x = 90 - 50
- 10x = 40
- x = <u>4 hours</u>
18
Explanation:
4x6=24
2x3=6
24-6=18
Hope this helps!:)
4 1/2 and 48 for #1
jdjdkeuej4o94urieiditkrkorsoi3 rmm
Find the unit rate which is 260/12 which is 21 and 2/3 now divide 286 by 21 and 2/3.
1 hour = 60 minutes
13/60 = 0.2
answer: 0.2<span>m/min
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