Answer:
4/5
Step-by-step explanation:
It’s 20/25 but you can simplify. Divide both by 5 and you get 4/5.
0.00
*First column to your left - ones column (1)
*Column just after decimal place, in the middle - tenths column (1/10)
*Column to the far right - hundredths column (1/100)
The only numbers that can go in these columns are 0-9.
-------------
1.54 + 2.37
= (1 + 5/10 + 4/100) + (2 + 3/10 + 7/100)
= 1 + 5/10 + 4/100 + 2 + 3/10 + 7/100
= 3 + 8/10 + 11/100
= 3 + 8/10 + (10/100 + 1/100)
= 3 + 8/10 + (1/10 + 1/100)
= 3 + 8/10 + 1/10 + 1/100
= 3 + 9/10 + 1/100
= 3.91
For this problem, just multiply the fractions by the amount of packages purchased.
6 * 1/4 = 1 1/2
8 * 1/2 = 4
7 * 3/4 = 5 1/4
We have to integrate the expression in order to find average rate of change.
Now
![\\ \sf\longmapsto \left[\dfrac{2x^2}{2}+x\right]^3_0](https://tex.z-dn.net/?f=%5C%5C%20%5Csf%5Clongmapsto%20%5Cleft%5B%5Cdfrac%7B2x%5E2%7D%7B2%7D%2Bx%5Cright%5D%5E3_0)
![\\ \sf\longmapsto [x^2+x]^3_0](https://tex.z-dn.net/?f=%5C%5C%20%5Csf%5Clongmapsto%20%5Bx%5E2%2Bx%5D%5E3_0)
7 x *cross multiply
-- = --
11 121
11x 847 *divide
--- = -----
11 11
x = 77
