Math, asked by christopherjosetaeso, 3 months ago

Work out how many investments Adam, Jamie & Pedro each have:
Adam, Jamie and Pedro have 150 investments between them.
Adam has 100 more investments than both Jamie and Pedro put together.
Jamie has 4 times as many investments as Pedro.

Answers

Answered by amitnrw
1

Given : Adam, Jamie and Pedro have 150 investments between them.

Adam has 100 more investments than both Jamie and Pedro put together.

Jamie has 4 times as many investments as Pedro.

To Find : how many investments Adam, Jamie & Pedro each have:

Solution:

Assume Pedro has investments  = P

Jamie has 4 times as many investments as Pedro.

=> Jamie has investments  = 4P

Adam has 100 more investments than both Jamie and Pedro put together.

=> Adam has investments = 100 + 4P + P

=> Adam has investments = 100 + 5P

Total investments =  100 + 5P + 4P + P

= 100 + 10P

Total investments = 150

Equating both

=> 100 + 10P = 150

=> 10P = 50

=> P = 5

Pedro has investments  = 5

Jamie has investments  = 4(5) = 20

Adam has investments  = 100 + 5(5) = 125

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