1 inch = 2.5 cm. Use a proportion to convert 41 inches into cm.
102.5 cm
100
Solve for x. x/8 + 4 = 14
x=80
200
10 over 15 = 19 over x. Solve for x.
x = 28.5?
200
y = k/x is what type of variation?
Inverse variation
200
When you get to multiplication and division, which one do you do first?
Depends, you have to go from left to right.
200
1 inch = 2.5 cm. Use a proportion to convert 180 cm into inches.
72 inches
200
7x + 18 = 67
x = 7
300
27 over 81 = 42 over x. Solve for x.
x = 126
300
As you spend more money on new clothes, you have less money in the bank is what type of variation?
Inverse
300
Simplify. (5+3)*2 -7
9
300
1 yard = 3 feet. Use a proportion to convert 90 feet into yards.
30 yards
300
Solve for x. 3(x + 5) -6 = 18
x= 3
400
A team of scientists tags 80 fish. They go out and they catch fish two weeks later and see that 8% are tagged. Use proportions to estimate the total number of fish.
1000 fish
400
X and y are DIRECTLY related. If y= 6 and x= 2, what is k?
k = 3
400
13-3-7+32
35
400
3 feet = 1 yard. Use a proportion to convert 150 yards into feet.
450 feet
400
Solve for x. 6(x+5) - 17 = 103
x = 15
500
A team of scientists tags 72 deer. The next week they go out and find 15% of the deer have been tagged. Use this data to estimate the total number of deer.
480 deer
500
x and y are INVERSELY related. If k= 18 and x= 6, what does y=?
18/6 = 3
500
Simplify. 4(5+3)-6*2+1
21
500
3600 seconds = 1 hour. Use a proportion (and some math) to convert 16200 seconds into MINUTES.