I need help on the same one
1,292.50
add 72.15 to the initial balance, then subtract 5.79
X=21
See photo I provided below
Answer:
70
Step-by-step explanation:
You have to use ratios. If 5 of 12 members bought water, then x of 168 members will buy water.
![\frac{5}{12} = \frac{x}{168}\\12x = 840\\x = 70](https://tex.z-dn.net/?f=%5Cfrac%7B5%7D%7B12%7D%20%20%3D%20%5Cfrac%7Bx%7D%7B168%7D%5C%5C12x%20%3D%20840%5C%5Cx%20%3D%2070)
70 members will buy bottled water.
$6.24 divided by 4
Each notebook was $1.56