19 * 42 + 19 * 58 =
19(42 + 58) =
19 * 100 =
1900
Answer:
<u>8/3 or 2 2/3 gallons of paint</u>
Step-by-step explanation:
If 2/3 of paint covers 1/4 of the wall, you must multiply 2/3 by 4 to get 4/4 (the whole wall).
2/3 x 4 = 8/3 or 2 2/3
The first two pieces are the same, let each of those equal x, so you have x + x = 2x
The 3rd piece is the sum of the first two + 4, so this would be 2x + 4
Now you have 2x + 2x + 4 = 100 cm
Combine like terms:
4x +4 = 100
Subtract 4 from both sides
4x = 96
Divide both sides by 4
X = 24
First piece is 24 cm
Second piece is 24 cm
Third piece is 52 cm
-26 over 5
-26/5
hope this helps!
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