c) The cost of 1 pen is Rs 10 and the cost of 1 pencil is Rs 8. Find the total cost of 5 pens and 4 pencils.
2 answers:
Answer:
82Rs
Step-by-step explanation:
let p be pen
let n be pencil
1p=10Rs
1n=8Rs
10×5=50
8×4=32
50+32=82Rs
Answer:
cost of 1 pen = ₹10
cost of 5 pens = 5×10 = ₹ 50
cost of 1 pencil = ₹8
cost of 4 pencil = 8×4 = ₹ 32
Total cost = 50 + 32 = ₹82
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