Answer:
120
Step-by-step explanation:
10% = 12
50% = 60
100% = 120
The way I get this answer is by adding up 55+60 =115 now divide 150 by 115 to get the amount of time 1.3 hours
Answer: 7x-3= 53
Step-by-step explanation:
x=8
7x8=56
56-3=53
Answer:

Step-by-step explanation:
To factor an expression you have to first find the highest common factor (HCF) of the numbers in the expression. You divide them by their HCF, bracket it and place the HCF outside the bracket.

To check if it is factored properly you can do the opposite of what you just did by clearing the bracket.
9 (7 + 9)
(9 x 7) + (9 x 9)
= 63 + 81