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Grade: 11

                        

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

11 years ago

Answers : (2)

Ramesh V
70 Points
							

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

11 years ago
roshan bangaru
18 Points
							

after 20 laps they will raise the same amount

10 years ago
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