Evaluate
The cost of ground beef can be figured using the expression $3.89p, where "p" is the number of pounds purchased. How much did Kelly pay for ground beef if she bought 12 pounds?
What is $46.68?
Identify the property used. (𝑎 + 3) + 𝑐 = 𝑎 + (3 + 𝑐)
What is Associative Property?
Is x = −4 a solution for the equation 5x(2 – 4) = 2(5x – 4)?
What is no?
Solve.
3𝑥 + 4 > 16
What is x > 4?
Leah earns $10 per hour. How many hours does she need to work if she wants to earn exactly $80?
What is 8 hours?
The cost of a pack of pencils can be figured using the expression $1.75x, where "x" is the number of packs bought. How much did Alex pay for his pencils if he bought 9 packs?
What is $15.75?
Identify the property used. 2(𝑎 + 𝑏 + 𝑐) = 2𝑎 + 2𝑏 + 2c
What is Distributive Property?
Is x = −6 a solution for the equation 3(2x – 8) = −4(−6 + 21)?
What is yes?
Solve.
5𝑥 − 2 ≤ 18
What is x < 4?
John is twice as old as Joel. If their ages total 21, how old is each boy?
What is 7 and 14?
4b + (-a + c); when a = -3, b = 2, and c = -5
What is 6?
Identify the property used. 7 + 𝑥 = 𝑥 + 7
What is Commutative Property?
Is x = 2 a solution for the equation 5x + 6 = 3x – (−2x – 6)?
What is yes?
Solve.
−3 > −2𝑥 + 7
What is x > 5?
Movie tickets cost $9 each. You have $45 to spend. What is the maximum number of tickets you can buy?
What is t < 5?
12 (𝑚2 − 4𝑛) + 3𝑝; when m = 6, n = 3, and p = 2
What is 18?
Write "The quantity of 4 times y times 3" in Associative Property. (Hint: you have to have stuff on both sides of the equals sign)
What is (4∙y)∙3=4∙(y∙3)?
Is x = 7 a solution for the equation 2x + 12 = 3x + (−2x + 5)? Must give the two numbers that are left with the equals sign. (EX. 16=16)
What is no, 26 does not equal 12?
Solve.
Five less than five times a number is less than six times the same number, plus 2.
What is n > -7?
A rectangle has a length of 3 more than 6 times the width. If the perimeter is less than or equal to 34 units, find the greatest possible width.
What is w < 2?
The cost for admission to the amusement park can be found with the expression, 15𝑥 + 18𝑦, where x is the number of adult tickets, and y is the number of child tickets. How much would it cost a family to buy 3 adult and 2 child tickets?
What is $81?
Write "1 plus 2 plus 3" using Commutative Property.
What is 1+2+3=3+2+1?
Is x = 3 a solution to the equation 5(𝑥 + 4) = 𝑥 + 4(𝑥 + 5)? Must give the two numbers that are left with the equals sign. (EX. 16=16)
What is yes, 35=35?
Solve.
Three less than four times a number is greater than or equal to three more than five times the number.
Erica needs to tutor for at least 20 hours per week to maintain her membership in the National Honor Society. Currently, she tutors a student for 5 hours every Saturday and is not available for tutoring on Sundays. If she wants to work the same amount each day, what is the minimum number of hours she can work each weekday?
What is x > 3?