I could give you a formula but it's really simple. Every 5 Minutes the Truck empties 30 cubic feet, thus 0=190, 5=160 etc, your Answer is 10 Minutes until the truck empties to 40 cubic feet.
C
length= 10 cm
width= 4 cm
height= 2 cm
10*4= 40
40*2= 80
3f(-2)-4f(2)
Multiply a positive and a negative equals a negative: (+)×(-)=(-)
-3f×2-4f×2
Calculate the product
-6f-4f×2
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-3f×2
Multiply a negative and a positive equals a negative: (-)×(+)=(-)
-(3×2)f
Multiply the numbers
-6f
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-6f-8f
Collect like terms
-14f
ANSWER:-14f
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Me Hamilton gave 210 coupons two days is throw you off because total was 24 so 14 times 15
