Answer:
x= 15
Step-by-step explanation:
2x+3(x-10)=45
2x+3x-30=45
Combine like terms:
2x+3x-30 turns into 5x-30= 45
5x-30=45
+30 +30
5x = 75
x = 15
Answer:
1/2 of his book
Step-by-step explanation:
1/3 of an hour = 1/6 of the book
3/3 of an hour = 3/6 or 1/2 of the book read
a easy way to remember how to divide is KCF Keep the first fraction Change the division to multiplication and Flip the second fraction. 1/2*8/1 =8/2 =4
-2 is larger than -5
or
-2 is greater than -5
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a loss of 5 points is greater in magnitude than a loss of 2 points
meaning that the person who lost 5 points had a bigger loss (even though -5 is smaller than -2)
Another way to think of it: -5 is further away from 0, compared to the distance from -2 to 0. I recommend drawing a number line if you're having trouble visualizing it.