Answer:
A. 450
Step-by-step explanation:
180 is 40% of the original
450*0.4=180
298*0.4=119.2
240*0.4=96
72*0.4=28.8
so A. 450 is correct
Answer:
390 girls.
Step-by-step explanation:
of 650 is 390.
Answer: 100/25 and 4/1 and 60/15
Step-by-step explanation:
20/5=4, 100/25=4, 4/1=4, and 60/15=4
Answer:
5 1/3
Step-by-step explanation:
Set up ratio.
2/3 cup orange juice X 2 cups pineapple juice
———————————-
1/4 cup pineapple juice
first multiply numerator : 2/3 x 2 = 4/3
and divide by denominator
(4/3)/(1/4). Keep the first. Change the sign to multiplication and Flip the second fraction.
4/3 x 4/1 = 16/3
change to proper fraction : 16/3 = 5 1/3 cups
