Arestraunt bill comes to 28.38 find the total cost if the tax isc6.25% and a 20% tip is left on the amount before tax

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.

Find the commission on a $590.00 sale if the commission is 15%.

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle