Answer:
B) -13/7x+5
Step-by-step explanation:
13x+7y=35
7y=-13X+35
Y=-13/7X+5
If nickels and quarters add up to 28 coins then it would be
n + q = 28
If nickels are .05 and quarters are .25 and the total is $4 then it would be
<span>.05n + .25q = 4</span>
Ruby studied her science test for 1/2 of an hour
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more variables and numbers.
Jamal spent 1 1/2 (1.5) hours studying for his science test ruby studied for 1/3 the amount of time that Jamal studied.
Amount of time ruby studied = (1/3) * (1.5) = 1/2 of an hour
Ruby studied for 1/2 of an hour
Find out more on equation at: brainly.com/question/1214333
Answer:
The answer is 8.
Step-by-step explanation:
6-8+7-2-8+13
= (6 +7 + 13) - (8+2+8)
= 26 - 18
= 8