m = .4h
15m + 7h = $45.50
Substitute .4h for m in second equation and solve for h. Insert that value into the first equation and solve for m. Check by inserting both values into the second equation.
At Yummy Restaurant, each muffin cost 2/5 as much as each hamburger. Rita paid $45.50 for 15 muffin and 7 hamburgers.
(a) Find the cost of each muffin.
(b) Find the cost of each hamburger.
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