Oliver makes blueberry jam every year. The number of pints of jam he makes this year can be represented by the expression 4p-9, where p is the number of pints of jam he made last year. Oliver made 8 pints of jam last year. How many pints does he make this year?

23 pints of jam

Step-by-step explanation:

The expression for the number of pints of jam Oliver makes this year is 4p-9

where "p" stands for the number of pints of jam he made last year.

From the question Oliver made 8 pints of jam last year.

to find the amount of pints made this year, just substitute the value of p into the expression 4p-9.

Number of pints of jam made this year = 4p-9

= (4*8) - 9

=23