The ratios of blue balloons to red balloons is 137 red balloons to 144 blue balloons
Answer:
x = 4
Step-by-step explanation:
-(7-4x)=9
change the signs on both sides of the equation
7-4x=-9
move constant to the right hand side and change it’s sign
-4x=-9-7
calculate the difference
-4x=-16
divide both sides of the equation by -4
x=4
Answer:
60 to 60
Step-by-step explanation:
It says 120 students passed in both and mathematics is only twice so 120 divided by 2 is 60
Answer:
c
Step-by-step explanation: