A*5+b*2=145
a +b =50 | * -2
5a +2b=145
-2a -2b = -100
----------------------
5a-2a = 145-100
3a= 45
a=45:3
a=15 questions are worth 5 p
b=50-15=35 questions worth 2 p
Hello, I'll try to make this as easy to understand as possible, anyways, let's begin:
First, we know that 3 is a bigger number than 2 1/2, and since it's negative, it means they lost weight, therefore...
Jenna lost more weight than Sarah.
Hope this helped! c:
7/10 because when you simplify 84/120 the lowest terms is 7/10.
Answer:
45 degrees
Step-by-step explanation:
Since all three angles would equal 180 degrees you would do 72 + 63 = 135. Then 180 - 135 = 45
hope this helps! plz mark brainliest? :)
