For this case what you need to know is that each package contains 2 balloons.
Therefore, you can solve the problem by making the following rule of three:
1 package ---> 2 balloons
x ---------------> 275 balloons
Clearing x we have:
x = (275/2) * (1)
x = 137.5
Nearest whole number:
x = 138
Answer:
I need to buy 138 packs of balloons
1) 4
2 ) 4 + 8 = 12
3) 12 + 12 = 24
4) 24 +16 = 40
5) 40 + 20 = 60
6) 60 + 24 = 84
Ao=0
An = A[n-1] + 4*n
Answer:
21% of 456 = 0.21 x 400 + 0.21 x 50 + 0.21 x 6 = 95.76
Step-by-step explanation:
Answer:
956= 9/56
125= 1/25
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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