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Alika [10]
3 years ago
12

Your school buys 30 graphing calculators for 1822.50. Write and solve a proportion that gives the cost c of buying 120 calculato

rs.
solve it i will pick brainiest. ​
Mathematics
1 answer:
natali 33 [55]3 years ago
6 0

Answer:

7290

Step-by-step explanation:

Using proportion then

\frac{1822.5}{30} = \frac{c}{120} ( cross- multiply )

30c = 18700 ( divide both sides by 30 )

c = 7290

The cost of 120 calculators is 7290

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