Larry’s family made a donation to the library. His mom gave half as much as larry. His dad gave 5 times as much as Larry’s sister did. The sister gave $10 less than larry. Larry gave $15. How much did the family donate?

The family donated $52.50

Step-by-step explanation:

Larry's mom donated $7.50 ($15 ÷ $2=$7.50)

Larry's dad donated $25.00 ($5 x $5=$25.00)

Larry's sister donated $5.00 ($15 - $10=$5.00)

Larry donated $15.00

b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation: