A truck contained 35 boxes, some weighing 6 pounds and the rest weighing 10 pounds. If the total weight of the boxes was 262 pounds, find the number of each type of box in the truck. x = number of 6 pound boxes 35  x = number of 10 pound boxes {there are 35 boxes} 6x + 10(35  x) = 262 {weight of each box multiplied by number of boxes equals total weight} 6x + 350  10x = 262 {used distributive property} 4x + 350 = 262 {combined like terms} 4x = 88 {subtracted 350 from each side} x = 22 {divided each side by 4} 35  x = 13 {substituted 22, in for x, into 35  x} 22 six pound boxes 13 ten pound boxes  Algebra House
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