Answer:
B
Step-by-step explanation:
349 ---100%
x ------ 20%
x= (349×20)÷100
x=69.8
349-69.8=279.2
279.2 ---100%
x-----7%
x=(279.2×7)÷100
x=19.54
Final result
279.2+19.54=298.74
And final result is B
Answer:
The answer is A
Step-by-step explanation:
You would convert the percent into a decimal, which would be 0.00039296, then multiply it by 9, which is 0.00354564. To find the total, you would do 9 plus that, which is 9.00354564.
Answer:
8b + 9 = 7
Step-by-step explanation:
<span>4x = −4
</span>
Question 2
<span> 2(2x − 5 − 4) = 160 − 17
4x-10-8 = 160-17
4x-18=143
4x = 161
x=40.25
</span>
Question 3
<span>4(2z + 3) = 12
8z +12 = 12
8z = 0
z = 0
</span><span>Question 4
</span>
<span>5(2x − 6) + 20 = 10
10x-30+20=10
10x-10=10
10x =20
x=2
</span>
<span>Question 5
</span>
<span>5x + 10 = 5x − 8
5x+18=5x
18=0
Zero solutions
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