scale factor
what is the formula for scale factor
a.new / old
b.old/new
a. new /old
Write the ratio as a fraction in simplest form: 8 to 30
4/15
someone
bought a dress for $50 and later it was sold for $75,
Was the percentage a increase or decrease?
50% increase
9% to a decimal
0.09
Justin has a model truck that is a replicate of his actual truck. The scale is 1 inch=3 feet. What is the length of the model truck if the actual is 15.6 feet?
5.2 inches
Scale Factor of 5 is
a. Reduction
b. Enlargement
b. Enlargement
Write the ratio as a fraction in simplest form: 66 inches to 72 inches
11/12
A laptop was originally priced at $800, but it is now on sale for %640
Is the percentage decrease or increase?
20% decrease
6% to a decimal
0.06
A map uses a scale of 1 inch=25 miles. If the distance between two cities on the map is 7 inches, what is the actual distance between the two cities?
175 miles
If the scale factor is greater than one, the new figure will be
a. reduction b. enlargement
c. scale d. not proportional
b. enlargement
There are 140 students in 8th grade. If 80 of the students are girls, write the ratio of girls to boys in 8th grade
4/3
If a stock price dropped from 50% to $30
Is it a increase or decrease?
40% decrease?
15% to a decimal
0.15
Gina is traveling to the beach 20 miles away from her house. On Gina's map, the distance between her house and the beach is 4 inches. What is the scale used?
___ inch = ___ miles
1 inch=5 miles
If the scale factor is less than one, the new figure will be
a.enlargement b.reduction
c.a scale factor d. bigger
b.reduction
Write the ratio as a fraction in simplest form 30 seconds to 5 minutes
6/1
A pair of shoes were $80 and is now on sale for %64
Is the percentage decrease or increase
20% decrease
3.2% to a decimal
0.032
The scale on the map is 1 inch= 2.5 miles. The distance between two streets on the map is 1.75 inches. What is the actual distance of the streets?
4 3/8 miles or 4.375 miles
Scale Factor of ½ is
a. Reduction
b. Enlargement
a. Reduction
Solve for x to make the Ratios Equivalent:
x/5=8/10
x = 4
An employee's salary was $50,000 then went to $45,000
Is it a increase or decrease
10% decrease
0.7% to a decimal
0.007