a grocery store charges 0.75 per donut. which equation can be used to find c the total cost in dollars to buy d donuts

The equation that can be used to find the total cost in dollars to buy d donuts would be:

c = 0.75d

harrison reads 15 minutets per day the number of minutes he reads fpr the project is porprtinal to the days since he started the eqation shows the total number of munutes he has read since he stated

y + 15x
what does x represent

In the equation y + 15x, x represents the number of days since Harrison started reading.

that was wrong

Apologies for the previous incorrect response. In the equation y + 15x, x represents the number of days since Harrison started reading.