Y = 0.8
4x + 8y = 40
4x + 8*(0.8) = 40
4x + 6.4 = 40
4x = 40 - 6.4
4x = 33.6
x = 8.4
Answer:
The percent as a part to whole ratio is Start Fraction 10 over 100 end fraction
The percent as a part to whole ratio is start fraction 160 over 100 end fraction.
There are 250 students in the school
Step-by-step explanation:
In the Juniour park school there are 160 students and out of these only 10 percent students play musical instruments. The fraction are start with 10 and end 100 is the correct. The ration of the students playing the musical instruments is 10 percents.
you just have to move the decimal point 9 places to the right thats an easy trick to remember 1849900000
