The price of a hamburger is 3 dollars. what is the price of 90 hamburgers?

Cost of each Hamburger = $3

Cost of 90 Hamburgers = 3×90

= $270

Therefore cost of 90 hamburgers is $270

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Step-by-step explanation:

price of 1 hamburger = 3 dollars

price of 90 hamburgers = 3 × 90

= 270

So, price of 90 hamburgers is 270 dollars

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step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.