10% means for every 100 she spend 10
in 800 there are 8 100 thus she speds 80
or 10% to decimal form is

Answer:
+0.1
Step-by-step explanation:
Note that -4.5 + 4.4 = -0.1.
Adding 0.1 to -0.1 results in 0.
The unknown was +0.1.
Answer:
The answer would be 7.5
Step-by-step explanation:
This is due to if there were to be a chart it would start at 15 then continue by 7.5 which would then lead to 1 hour which is 22.5 min additionally other people are not answering this because you did not give all the information such as the chart etc and the answers unlike me i have the toolds and the questions.
Answer:
B. -2 1/2 +3 1/4 = 3/4
Step-by-step explanation:
the starting point is -2 1/2, they added 3 1/4, and the ending point is 3/4.
W=20.3
solve what's in the parenthesis, move the terms, calculate, then divide both sides.