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Jack bought a pizza and a drink for $2.65. if the pizza costs a penny more than 3 times the cost of the drink, how much did each cost?

Sagot :

To get the answer we can prepare equation. Lets assume x its drink. 
Finally we get the equation
3x+x+0.01=2.65
4x+0.01=2.65        /-0.01
4x=2.64               /:4
x=0.66 - cost of drink
3x+1 ----  3*0.66+0.01=1.99 - cost of pizza
66 cents for drink. and 1.99 for the pizza. hope thus helped