You have to divide 476 by 28 and you’ll get 17
193.5m is the area because you have to isolate the different shapes in the overall figure, and find the area of those first, once you have found them all you need to add them together
Answer:
60
Step-by-step explanation:
Plug it into the calculator
Let x = 30% y=16%
We need 5 liters of 27.2% acid
A) x + y = 5
B) .30 x + .16y = 5 * .272
Multiplying A by -.30
A) -.30 x - .30y = -1.5 then adding to B
B) .30 x + .16y = 1.36
-.14y = -.14
y = 1 liter 16%
x = 4 liters 30%
Answer:
30:54
Step-by-step explanation:
5:9 x 6 = 30:54