A line passes through the point (1, 2) and has a slope of 3. Write the equation of the line in standard form and then convert it to slope-intercept form.
y=3x−1
A jacket is priced at 80,and you have a coupon for 15
Discount=80×(15/100)=12 Price After Discount=80−12=68
68
6/r = 15/20
R=8
Convert the percentage 60% to a decimal
60%=60/100=0.60
Answer: 0.60
Nora measured a neighborhood park and made a scale drawing. A soccer field in the park is 27 inches long in the drawing. The actual field is 108 yards long. What scale did Nora use for the drawing?
1 inch : 4 yards
5x+2y=10 to slope-intercept form
y=−5/2x+5
You have a dinner bill of 50.If you want to leave a 20 percent as a tip how much would it be.
Tip=50×(20/100)=10
10
18/15 = 6/r
R=5
Convert the whole number 5 to a percentage
5=5×100%=500%
500%
Eric made a scale drawing of the auditorium. The stage, which is 35 feet wide in real life, is 5 inches wide in the drawing. What is the scale of the drawing?
1 inch : 7 feet
Convert the equation 2x+3y=6 to slope-intercept form.
y=−2/3x+2
A book costs 20 and has a sales tax of 5
Sales Tax=20×(5/100)=1
Cost=20+1=21
Riley earned $5 for 12 of an hour babysitting. What is her hourly rate?
$per hour=10
Convert the fraction 3/4 to a decimal.
3/4=0.75
Answer: 0.75
Steven made a scale drawing of a theater. The stage is 5 inches wide in the drawing. The actual stage is 20 feet wide. What is the scale of the drawing?
1 inch= 4 feet
Convert 4x−y=8 to slope-intercept form:
y=4x−8
If a pair of shoes costs 60 and is on sale for 25
Discount=60×(25/100)=15 Price After Discount=60−15=45−
45
Shelley's cup of tea cooled down 12 of a degree in 10 seconds. At what rate is her tea cooling down?
1/20 degrees per second
Convert the decimal 0.25 to a fraction
0.25= 25/100=1/4 (after simplifying)
Answer:1/4
Luna measured the elementary school and made a scale drawing. The schoolyard, which is 175 meters long in real life, is 25 centimeters long in the drawing. What scale did Luna use for the drawing?
1 centimeter : 7 meters
The standard form of a line is given by the equation 6x+4y=24. What is the slope of this line when you convert it to slope-intercept form?
Slope is −3/2
You bought a video game for 40 and paid 8 tax
Sales Tax=40×(8/100)=3.2 Total Amount=40+3.2=43.2
43.20
Sean used 12 centimeters of tape to wrap 3 presents. How much tape will Sean need in all if he has to wrap 4 presents? Assume the relationship is directly proportional.
16 Centimeters
Convert the percentage 25% to a decimal and then to a fraction
25%=25/100 =0.25 and 25/100 =1/4 -
Answer: Decimal: 0.25, Fraction:1/4
Valeria drew a scale drawing of a farm. The goat pen, which is 20 meters long in real life, is 5 millimeters long in the drawing. What is the scale of the drawing?
1 millimeter : 4 meters