Susan 2

Susan packed some sugar into small and large packets. The total mass of 4 large packets and three small packets is 43 kg. Each large packet is 2kg heavier than each small packet. What is the mass of a large packet of sugar?

Correct answer:

a =  7 kg

Step-by-step explanation:

4a+3b=43 a=2+b  4 a+3 b=43 a=2+b  4a+3b=43 ab=2  Row241 Row1Row2 4a+3b=43 1.75b=8.75  b=1.758.75=5 a=4433b=4433 5=7=7 kg  a=7 b=5

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