Answer:
$67.25
Step-by-step explanation:
52.60 x 8% = 52.60 x 0.08 = 4.21
52.60 x 20% = 52.60 x 0.20 = 10.44
52.60 + 4.21 + 10.44 = 67.25
Answer:
Step-by-step explanation:
Either,
2x+3=0
2x=-3
x=-3/2
Or,
( x-7)=0
x=7
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Answer:
<u>320p</u>
Step-by-step explanation:
According to the question,
560p = 7 pencils
Therefore,
1 pencil = 560 / 7
= 80p
So, for 4 pencils it costs
4 * 80 = <u>320p</u>
Answer:
17
Step-by-step explanation:
Variance=(standard deviation)^2
√289=standard deviation
Standard deviation=17
