Jackson receives 40% discount on a concert that costs $75. if jackson pays $4.20 in sales tax on the discounted ticket, what is the sales tax rate? (round to the nearest tenth of a percent)

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

How many grams the dog will eat in 3 days?

(x-5)1/2+5=2 what is possible solution of this equation