Answer:
-3
Step-by-step explanation:
45
Find ten percent of 50 by moving the decimal point left once and subtract it from 50
The answer is 3 places to the left
There are 64 boys in the class because 24/3=8 and you have to do the same thing so 8 times 8= 64
Answer:
2n+7
Step-by-step explanation:
7 more than twice n would be:
2n+7
this is because twice n would mean that you'd multiply n by 2, and by 7 more than they mean you would add 7 to that.