80%
THis is because you are supposed to multiply 20 to the denomintaor and numerator.
4 times 20=80
~JZ
Hope it helps
$520 was earned by carl in last week
Step-by-step explanation:
(1/2 X - 20 ) = 240
1/2 X = 240 +20 = 260
X = 260÷1/2 = 520
verification
520 ÷2 = 260 - 20 = 240
Hence proved
Answer:
8/3
Step-by-step explanation:
Subtract 6n and subtract 1
3n = 8
Divide by 3
n = 8/3
Answer:
1. operation is addition
inverse is subtraction
to solve, subtract 7. d = -2
2. operation is subtraction
inverse is addition
To solve, add 57. t = 96
3. operation is division
inverse is multiplication
to solve, multiply 2. a = 12
4. operation is multiplication
inverse is division
to solve, divide -3. x = -4
3.11111... = 3 + 1/9 = 28/9
Every time you see such a repeating decimal, it's basically a fraction with 9's in the denominator.
For example:
0.222... = 2/9
0.45454545... = 45/99
0.274274274... = 274/999