If you want to translate the phrase 30 added to a number that is decreased by 5 into a math expression, you can do it like this:
a number ... n
30 added ... + 30
decreased by 5 ... - 5
Now you just have to put this together: n + 30 - 5 or n - 5 + 30. So, the correct result is a.
The first question answer is 21*10^7
The second question answer is 5*10^2
1. x=-5
2. x=10
3. x=4
4. x=5
5. x=8
6.x=10
Answer is 2 inches per hour.
12 inches/6 hours divided by 6 is 2 inches/ 1 hour.
Answer:
a) 7
b)1.2
Step-by-step explanation:
10.5÷1.5=7
1.56÷1.3=1.2
