WORDS
Write as an equation:
Nine more than twice a number is 31.
2x+9=31
A concert charges a $14 entrance fee plus $8 per activity. You spend $54. How many activities did you do?
14+8x=54
5 activities
Simplify:
4(x+7)-3x
4x+28-3x
x+28
A clock reads 3:00. What is the angle between the hour hand and minute hand?
90 Degrees
Write as an equation:
Four times the sum of a number and 6 equals 52.
4(x+6)=52
You have 10 fish in a tank. 2 drown, 3 swim away, and 1 dies. How many fish are still in the tank?
10.
Fish don't drown, they can't swim out of the tank, and the dead fish is still physically in the tank.
In 7x+13=48, identify the coefficient and constant AND explain what makes them different.
Coefficient = 7; constant = 13.
7 multiplies the variable; 13 does not depend on the variable.
62÷3(2+2)
48
Write as an equation:
Eight less than twice a number equals three more than the number.
2x-8=x+3
Four friends order meals that all cost the same amount. They also pay a $16 appetizer charge. Their bill before tip is $92. What did each meal cost?
4x+16=92
$19
What is the next number:
(1,4,9,16,25, )?
36
If x2=81, what are all possible values of x?
9 and -9
Write as an equation:
Five times the difference between a number and 4 is equal to twice the sum of the number and 5.
5(x-4)=2(x+5)
A family goes to an amusement park. Parking costs $24. They buy 5 identical tickets and spend $19 on food. Their total spending is $168. How much did each ticket cost?
24+5x+19=168
$25 / ticket
A bag contains 4 red, 3 blue, and 5 green marbles. What is the probability of randomly choosing a blue marble?
3/12 = 1/4
Arrange from greatest to least:
1/2, 3/4, 1/4, 0.6
3/4, 0.6, 1/2, 1/4
Write this equation:
Nine less than five times the sum of a number and 2 equals three times the number plus 17.
(5(x+2)-9=3x+17
At a basketball tournament, 7 players pay $12 each for lunch and some coaches pay $18 each. The total lunch bill is $138. How many coaches ate lunch?
12(7)+18x=138
3 coaches
What is the slope between the points (2,5) and (6,17)?
Find the median of the following numbers:
18.5, 7, 12.5, 24, 10.5, 15, 21.5
First arrange them in order from greatest to least.
15