So if 6 out of 40 are incorrect, 40-6= 36 must be correct.
In order to gain percentage you do proportions.
36/40 = x/100.
Multiply 36 times 100 then divide by 40, which is 90.
The answer is 90%.
90% of the questions he got were correct.
Answer:
24x^7 = 24x^7
Step-by-step explanation:
Left side of equation: 3 times 8 times X = 24x
Then you raise it to the 7th power
Right side of the equation: 6 times 4 times X = 24x
Since the exponent is the same, you keep it as the 7th power
Answer:
407 Dollars
Step-by-step explanation:
550 x 0.26 = 143 dollars that he keeps, now we do 550 - 143 = 407, that gets withheld