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Viefleur [7K]
2 years ago
13

An advertising company charges $40 per half-page advertisement and $75 per full-page advertisement. Michael has a budget of $800

to purchase 13 advertisements. • Define a variable for each unknown. • Write a system of equations to represent the situation and solve the system
• • • How many half-page advertisements does Michael purchase? • Show your work. •

How many full-page advertisements does Michael purchase? Show your work.
Mathematics
1 answer:
TEA [102]2 years ago
6 0

Answer:

full page = 8

half page = 5

Step-by-step explanation:

two equations can be derived from the question

40x + 75y = 800 equation 1

x + y = 13 equation 2

x = number of half page advertisement

y = number of full page advertisement

multiply equation 2 by 40

40x + 40y = 520 equation 3

subtract equation 3 from 2

280 = 35y

y = 8

substitute for y in equation 2

x + 8 = 13

x = 13 - 8

x = 5

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