Solving Equations
Multiply:
(x+1)(x+3)
x2+4x+3
What percentage is a 19 out of 20 on a quiz?
95%
x/4=6/8
x=3
What was Mr. Silver's least favorite food?
Blue Cheese
5x=10
x=2
Multiply:
(x-2)(x+5)
x2+3x-10
What percentage success is 35 out of 55 people reacting positively to a new medicine?
63.63%
If 32% of Hersey students prefer chocolate ice cream to vanilla ice cream, and there are 1200 students in the school, how many students prefer vanilla ice cream?
816 students prefer vanilla
(384 students prefer chocolate)
What is the name of District 214's superintendent?
Dr. Scott Rowe
Solve:
2x+1 = 11
x = 5
Multiply (x+4)(x-4)
x2-16
What is 23% of 72?
15.65
The ratio of monthly income to the savings in a family is 5:4 If the savings are $900, find the income and the expenses.
Income: $1,1250
How many total siblings does Mr. Silver have?
-8(b+1)=32
x=-5
Multiply:
(x-5)(x-8)
x2-13x+40
What is 133% of 90?
119.7
(3x-1)/(7x+1)=2/5
x=7
How many quizzes did we take this past 3 weeks?
6 quizzes (2 every week)
x^2-8x+12=0
x=2
x=6
(3x-2)2
9x2-12x+4
40% of some number is 10. What is the original number?
25
Two building in Chicago have their height's in a ratio of 6:5. If one building is 100 feet taller than the other, write an equation to represent this situation.
6/5 = x+100/x
How many total hours did we spend together this past 3 weeks?
60 hours!
(4 days, 5 hours, 3 weeks)