A compass and a ruler cost $5. The compass cost .70 cents more the the ruler. Jow much does the compass cost?
5/2=2.5
2.5+.7=3.20
2.5-.7=1.8
Compass cost $3.20
Ruler cost $1.80
In Paul's bicycle shop 40 bikes are needed new tires and 27 needed gear repairs, what is the greatest number of bikes could have neede both and the least number of bikes that could have needed both
Ashley's answer is not correct
Her compass does not cost 70 cents more than her ruler.
cost of ruler --- x
cost of compass --- x=70
x + x+70 = 500
2x = 430
x = 215
Ruler costs $2.15, compass costs $2.85.
To find out how much the compass cost, let's set up an equation.
Let's say the cost of the ruler is "x" dollars. According to the given information, the compass costs $0.70 more than the ruler, which means it costs "x + $0.70" dollars.
The total cost of the compass and ruler combined is $5. So, we can write the equation as:
x + (x + $0.70) = $5
Simplifying the equation, we get:
2x + $0.70 = $5
Now, let's solve for "x", which represents the cost of the ruler:
Subtract $0.70 from both sides:
2x = $5 - $0.70
2x = $4.30
Divide both sides by 2 to isolate "x":
x = $4.30 / 2
x = $2.15
Therefore, the ruler costs $2.15.
To find the cost of the compass, we can substitute the value of "x" back into the equation:
Compass cost = Ruler cost + $0.70
Compass cost = $2.15 + $0.70
Compass cost = $2.85
Therefore, the compass costs $2.85.