Answer: A) x + 4x = 35; 7 large stones and 28 small stones
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Explanation:
x = number of large stones
4x = number of small stones
x+4x = total number of stones = 35
x+4x = 35 is the equation to solve
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Let's isolate x
x+4x = 35
5x = 35
x = 35/5
x = 7 large stones are needed
4x = 4*7 = 28 small stones are needed
What does supplementary mean
number of reams= 6×8 =48
number of 2 weeks 48 reams can last= 48/5= 9.6
time 48 reams of paper can last= 9.6×2= 19.2 weeks