Answer:
The answer would be, 81cm.
Step-by-step explanation:
36÷4=9
9×9=81
The percentage change is 20%
By solving the equation
1/2 +x =4/7
x = 4/7 -1/2
x= 1/14
Answer:
17 3/4
Step-by-step explanation:
Equation: (92 - 3*7)/(7-3)
PEMDAS so parenthesis first. Then multiplication so 7 times 3 is 21. For 7 minus 3 would be four. Like this: (92-21)/4
Subtraction: 71/4
Answer: 17 3/4