Words that mean operations
what does times mean
multiply
solve for the variable:
4x=12
x=3
Tonya is saving money to buy a computer that costs $375. She has $75 saved, and each week she adds $25 to her savings. How many weeks will it take her to save enough money to buy the computer?
25x+75=375
x=12
what is a variable
the letter we use to represent the unknown.
what does more than mean
add
solve for the variable:
0.6p=41.67
p= 69.45
653 students went on a field trip. 12 buses were filled and 5 students traveled in cars. How many students were in each bus?
12x+5=653
x=54
what is a coefficient
the number in front of the letter
what does difference mean
subtract
solve for the variable:
9.6=1.2n
n=8
create and equation and solve for the unknown.
Jake had $28 to spend on school supplies. He bought nine folders and had $5.50 left. How much did each folder cost?
9x+5.50=28
x=2.50
what is a constant
the number that stands alone
what does quotient mean
divide
Solve for the variable:
1/5x=12
x=60
Patty is ordering vests for her scout troop to wear in the Veterans Day parade. She ordered 12 vests from the Festive Features clothing shop. Since this was a bulk order, Festive Features reduced the price of each vest by $6. The total came to $132. Solve for the price of the vest that Patty pays.
12(x-6)=132
x=17
whatever operation you do to one side of the equal sign, you must do the same operation to the other side of the equal sign.
what does per mean
multiply
solve for the variable :
5 1/2 = 4 1/3f
33/26 OR 1 7/26 or 1.27
The sum of three consecutive numbers is 81. List all three numbers.
x+x+1+x+2=81
26, 27, 28
the value of the variable that makes the equation true.