0.4a=80
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0.4 0.4
a=200
Where a is the number times 40%, which is 0.4 in decimal form.
Answer:
D
Step-by-step explanation:
Discount = 35% of 220
= $ 77
Amount saved =$ 77
Answer: The family's weekly income is $1500
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Work Shown:
x = weekly income (in dollars)
16% of x = amount spent on food per week
16% of x = 240
(16/100)*x = 240
0.16*x = 240
0.16*x/0.16 = 240/0.16
x = 1500
Answer:
52
Step-by-step explanation:
1) Simplify the inner most parentheses:
35 + [16 - 7 + 8}
2) Perform the operations inside the brackets:
35 + [17]
3) Add
52
It causes the breakdown and decay to the rocks. It occurs when the weather water is slightly acidic.
