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iris [78.8K]
4 years ago
10

Chris Nazarro had total travel expenses of $872. His transportation cost was $136. The hotel cost was $210 and business material

s cost $500. If his lunch cost 30% of his dinner, how much was dinner to the nearest cent?
Mathematics
1 answer:
DIA [1.3K]4 years ago
6 0

Answer:

\$20

Step-by-step explanation:

Let

x-----> the cost of his lunch

y----> the cost of his dinner

we know that

x+y=872-136-210-500

x+y=26 -----> equation A

x=0.3y ---> equation B

substitute equation B in equation A

0.3y+y=26

1.3y=26

y=\$20 -----> the cost of the dinner

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