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Tony and Sunil are participating in a jogathon to raise money for charity. Tony will raise Rs. 20, plus Rs. 2 for each lap he jogs. Sunil will raise Rs. 30, plus Rs.1.50 for each lap he jogs. The total amount of money each will raise can be calculated using the follwing expressions where n represents the number of laps run : Tony : 20 + 2n ; Sunil : 30 + 1.50n After how many laps will they have raised the same amount of money? (A) 3 (B) 6.5 (C) 14.5 (D) 20
Let laps be n 20+2n = 30+1.5n 0.5 n = 10 n = 20 laps after 20 laps,they raise same money of rs. 60 each -- regards Ramesh
Let laps be n
20+2n = 30+1.5n
0.5 n = 10
n = 20 laps
after 20 laps,they raise same money of rs. 60 each
--
regards
Ramesh
after 20 laps they will raise the same amount
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