Answer:
D (7=30x)
Step-by-step explanation:
1 liter=.26 gallons so 20 liters= 20*.26= 5.2 gallons.
You need to use .75 ounces of soda ash per gallon so you must multiply .75 by 5.2.
.75*5.2 = 3.9 ounces
6s. 2 and 3 divide into all these numbers but six is the greatest number that all
Divide into and they all have one s at least.
Perimeter = 56
Hypo = 25
So 56-25 = 31 (for two side)
for one side = 31/2 = 15.5
so area = 1/2 x base x height
I didn't do anything but yay
