Every day the pet shop uses 3/12 bags of dog food to feed the dogs. for how many days will 8 bags of dog food last?
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one day. 3/12 bags
than for x days. 8 bags
so
x =8×1 / (3/12)
x =(8 × 12) / 3
x =32 days
than for x days. 8 bags
so
x =8×1 / (3/12)
x =(8 × 12) / 3
x =32 days
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