16. If a = 5, b = 4, and c = 7, find the value for 3(b + a) - c.
O 20
O 15
O 34
O 10
2 answers:
The correct answer is 34 you are welcome
Answer:
20
Explanation:
substitute the value
3(4+5)-7
3(9)-7 add 4 and 5 first
27-7 multiply 3 by 9
20 subtract
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If she started out with 100 and she added 5 groups of 10 she should have 150.
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50
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Answer:A
Step-by-step explanation:
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