Four friends want to take a vacation together, so each one gets a part-time job. each person has 8 weeks to save $720 for the vacation. analyze the four individual plans below and decide which of the four people will reach his or her goal of saving $720 for vacation.
friend a: works 13 hours per week at $6.95 per hour.
friend b: works 15 hours per week at $5.85 per hour.
friend c: works 18 hours per week at $5.25 per hour.
friend d: works 11 hours per week at $7.80 per hour.
a.
a and c
b.
a and d
c.
b and c
d.
b and d