Equations
Solve n/3 - 4 = 2
n = 18
Write an equation and solve (you must have the equation and solution to receive points):
The output of a function is 10 more than 3 times the input. What is the input when the output is 1?
y = 3x + 10
1 = 3x + 10
x = -3
56/16 = x/2
x = 7
What number is 30% of 55?
16.5
Solve 8a - 3(2a + 5) = 13
a = 14
DAILY DOUBLE
Write this equation in function form:
3x = 2y - 18
y = 3/2x + 9
9/4 = 3x/20
x = 15
117 is 78% of what number?
150
-3x - 1 = 8 - 3x
Write the equation in function form:
4y - x = 20 - y
y = 1/5x + 4
(n + 8) / (5n -2) = 3/8
n = 10
DAILY DOUBLE
What percent of 56 is 21?
37.5%
1/12 (48 + 24y) = 2(17 - 4y)
y = 3
Solve the formula for h:
V = lwh
h = V/lw
You know that 5 pizzas will feed 20 people. How many pizzas do you need to feed 88 people?
22 pizzas
There were 7500 tickets sold for a concert, 20% of which were general admission tickets. How many general admission tickets were sold?
1500 tickets
A rectangle has an area of 195.5 square inches and a length of 17 inches. What is the width of the rectangle?
11.5 inches