How do i write: Three sets of a number and four are added to the sum of seven times the same number and thirteen

A salesman is paid a basic wage of $367 per week. In addition, he is paid a commission of 2.45% on the value of good he sells. His sales for a particular week is $8900. Determine his commission he will be paid and his gross wage for the week.

Maggie has $6. She wants to buy as many $0.25 erasers as she can at the school store. How many erasers can she buy?

What is the simplified form of the quantity 4 x squared minus 25 over the quantity 2 x plus 5?

What is 20 x 10 - 100

What does 6 2/5 + 3 1/4=

The graph of y = - 3x + 4 is :

Two solutions of salt water contain 0.04% and 0.2% salt respectively. A lab technician wants to make 1 liter of solution which contains 0.12% salt. How much of each solution should she use?

Find the measure of a central angle that intercepts an arc of 81.5 cm in a circle whose radius is 16.3 cm.

The dinner check for a birthday party was $89.50. Estimate a 15% tip.

Li started a pool cleaning business. She purchased cleaning supplies and charged the same amount for each pool cleaned. The expression - 243+24x-243+24x represents the profit Tali has earned from cleaning pools.