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gladu [14]
3 years ago
15

Plz can someone help me? i will give brainliest to whoever is correct. This is 15 points!!!!! Wendy and her family ordered a mea

l that cost $4.54. Wendy paid 4.75% sales tax and left a 15% tip on $4.54. What was the total cost?
Mathematics
1 answer:
bekas [8.4K]3 years ago
4 0

Answer:

5.44 $

Step-by-step explanation:

Cost = Meal + Tax + Tip

= 4.54 + (4.54*4.75%) + (4.54*15%)

= 4.54 + 0.21565 + 0.681

= 5.43665 ≈ 5.44

[If there's any problem with the solution, please inform me]

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1000 tickets were bought at a concert. the amount needed to buy a children’s ticket was $4.50 and the amount needed for an adult
Sholpan [36]

Answer:

The number of children's tickets bought was 300 and the number of adult tickets bought was 700

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Let

x ----> the number of children's tickets bought

y ----> the number of adult tickets bought

we know that

x+y=1,000

x=1,000-y -----> equation A

4.50x+8.50y=7,300 -----> equation B

Solve the system by substitution

substitute equation A in equation B

4.50(1,000-y)+8.50y=7,300

solve for x

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