Mrs perry has a certain sum of money to buy fruits. she can buy n mangoes at $1.60 each and have $0.80 left. alternatively, she can buy (n+10) apples at $0.70 each and have $0.10 left. A) Find the value of n (B) how much money does mrs tan have for buying fruits c)(i)how many apples can she buy C)(ii) how much money will she have left
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Answer:
A) 7 B) $12 c) 17 apples
Step-by-step explanation:
1.6n + 0.8 = 0.7(n + 10) 0.1
1.6n - 0.7n = 7.1 - 0.8
0.9n = 6.3
n = 7
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