Cross multiplication
or multiplying by a number which goes in both rates
Step-by-step explanation:
number 1 is 68 degrees Fahrenheit and number 2 is 98.6=37 degrees Celsius and 102 fahrenheit is higher than the normal
Answer:
D
Step-by-step explanation:
Either try all the numbers and see which ones work or do the following.
Times both sides by 2x-5.
3=x(2x-5)=2x^2-5x
Rearrange and solve the quadratic. I will factorise.
2x^2-5x-3=0
(2x+1)(x-3)=0
so x = -1/2 or 3
Answer:
A. (-13,-3)
Step-by-step explanation:
Solve the system of two equations:

From the second equation:

Substitute it into the first equation:

So,

The solution is (-13,-4)
If she works 40 hours getting paid $12 an hour she will get $480