5 + 8 = 13
169/13 = 13
13 * 5 = 65
13 * 8 = 104
Thus, 65:104
For A I think it should be 0.16 you just have to look at the chart
You find the least common multiple of the two denominators, then you multiply whatever you multiplied to the denominator to the numerator to get to the LCM.
ex:
3/4 + 2/3 --> 9/12+ 8/12= 17/12
The first thing we must do to solve the problem is to define the variables.
We have then:
n: pounds of grapes
c: total price
We have to:
"The price of grapes at a farm is $ 1.85 per pound"
Therefore, the equation will be:
c = 1.85n
Answer:
c = 1.85n
Independent= The cigarettes you smoke
Dependent= The risk for lung cancer