2.7 Solving Proportions and 2.8 Using Similar Figures
2.9 Percents and 2.10 Change Expressed as a Percent
100
solve
x+5=-2
What is -7
100
solve for x
ax+bx=-c
What is x=-c/a+b
100
convert 135 seconds to minutes
What is 2.25 minutes
100
solve each proportion
3/7=9/x
What is x=21
100
what percent of 37 is 111
What is 300%
200
solve
7(s-5)=42
What is 11
200
solve for x
m-3x=2x+p
What is x=m-p/5
200
convert 2.25 miles to yards
What is 3960 yd
200
solve -8/10=y/5
What is y=-4
200
what is 72% of 150
What is 108
300
2/3(x)+4=3/5(x)-2
What is -90
300
what is the width of a rectangle with length 5.5 cm and area of 220 square cm
What is 40 cm
300
convert 4 lb 7 oz to oz
What is 71 oz
300
solve (b+3)/7=(b-3)/6
What is b=39
300
60% of what number is 102
What is 170
400
solve
5n=20(4+0.25n)
What is no solution
400
what is the radius of a circle with circumference 94.2 mm
What is 15 mm
400
a bread slicer runs 20 hours per day for 30 days and slices 144,000 loaves of bread. How many loaves per hour are sliced?
What is 240 loaves
400
solve 5/(2c-3)=3/(7c+4)
What is c=-1
400
Find percent of increase or decrease to nearest percent
Original amount: 27
New amount:30
What is 11% Increase
500
solve
3(h-4)=-0.5(24-6h)
What is identity
500
A triangle has a height 15 in. and area of 120 square inches. What is the length of its base?
What is 16 in.
500
a gerbil eats about 0.25 oz. of food per day. About how many pounds of food can a gerbil eat in a year?
What is 5.7 or about 6
500
An airplane has a wingspan of 25 feet and a length of 20 feet. You are designing a model of the airplane with a wingspan of 15 in. What will the length of your model be?
What is 12 inches
500
Find the percent of increase or decrease to nearest percent
Original Amount: 873
New Amount: 781