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nimay gupta from Shiv Nadar School, noida

Subject :IMO Class : Class 6

Supriya had Rs 70. After buying 5 identical pencils, she has Rs y left. The cost of 1 pencil in terms of y is _______.

A
B
CRs (70 - 5y)
D

Ans 1:

ABHIRUP DEY SARKAR from K V COSSIPORE, KOLKATA

Class : Class 9

let each pencil costs x. So 5 pencil costs 5x Therefore 70-5x = y or -5x= y-70 or 5x=70-y or x= (70-y)/5

ABHIRUP DEY SARKAR from K V COSSIPORE, KOLKATA

Class : Class 9

let each pencil costs x. So 5 pencil costs 5x Therefore 70-5x = y or -5x= y-70 or 5x=70-y or x= (70-y)/5

ABHIRUP DEY SARKAR from K V COSSIPORE, KOLKATA

Class : Class 9

let each pencil costs x. So 5 pencil costs 5x Therefore 70-5x = y or -5x= y-70 or 5x=70-y or x= (70-y)/5

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore

Class : Class 8