Savanah ate 14 of the contents of a box of biscuits and Sara ate 13 . There were 10 biscuits left. How many biscuits were there originally?
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Step-by-step explanation:
No. of biscuit packets =12
No. of packets =15
Each box should contain same number of packets =x
Each box should contain same number of biscuit packets =y
x & y values can be found by saluting for Greatest common Disorder of
12 & 15
⇒ Use prime factorization method
⇒12=2×2×3
15=5×3
⇒ GCD 12 & 15=3
∴ No. of packets in each box =15/3=5
No. of biscuit packets in each box =12/3=4
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