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ryzh [129]
3 years ago
7

A family goes to an amusement park adult tickets cost $21 children under 10 years of age pay $15 write an algebraic expression f

or the total cost then find the total cost of 4 adult tickets and 3 children's tickets
Mathematics
1 answer:
Darya [45]3 years ago
5 0

Answer:

$129

Step-by-step explanation:

Let us represent:

Cost Adult tickets = x

Cost Children's tickets = y

The total cost of ticket = C =

A family goes to an amusement park adult tickets cost $21 children under 10 years of age pay $15

C = $21 × x + $15 × y

C = 21x + 15y

The total cost of 4 adult tickets and 3 children's tickets is calculated as:

C = 21 × 4 + 15 × 3

C = 84 + 45

C = $129

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