Selling price of app per user = $10 per month
Total no. of user in first month = 10
To tal no. of user added per month = 7
We have to find how much money is earned in one year
So the formula is n/2 * (2a +(n-1)d)
Here we have n = 12 which is total no. of months
a = 100 , which is money earned in one month
d = 70 , which is increase in money earned per month
So money earned in a year comes out to be 5820
Answer:
x = 5.4
Step-by-step explanation:
3/x = 4/7.2
cross-multiply:
4x = 21.6
x = 5.4
Answer:
43/8
Step-by-step explanation:
5 x 8 = 40
40 + 3 =43
$0.70 per candy.
$78 divided by 112 gives $0.696, so by rounding off, you get 0.70
24 in²
6x4-24
multiply the base times the height.