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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

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

Grade:11

2 Answers

Ramesh V
70 Points
14 years ago

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

roshan bangaru
18 Points
14 years ago

after 20 laps they will raise the same amount

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