Sandile sells t-shirts at the local market. He sells it at R350 per shirt. He makes a \( 25 \% \) profit on every shirt he sells. Calculate the price at which Sandile purchases the shirts.

A problem requires finding the number of cars on a dealer's lot. Which would not be a reasonable answer? Justify your response. \( \begin{array}{lll}\text { A. } 0 & \text { B. } 6 & \text { C. } 1 \\ \text { D. } 6 \frac{1}{2}\end{array} \) A. 0 ; there cannot be a zero number of cars. B. 6 ; there cannot be an even number of cars. C. 1 ; there cannot be an odd number of cars. D. \( 6 \frac{1}{2} \); there cannot be a fractional number of cars.

A train travels for 3.75 hours at 80 miles an hour. Use the formula \( d=r \cdot t \), where \( d= \) distance, \( r= \) rate, and \( t= \) time, to find the distance the train traveled. The distance traveled is miles. The solution is

Heather is building a model volcano for the science fair. To find the right ratio, she starts by mixing small amounts of baking soda and vinegar. She finds that adding 1.5 teaspoons of baking soda for every fluid ounce of vinegar produces the best eruption. If Heather plans to use 0.5 cups of vinegar for her project, how many tablespoons of baking soda should she use? Hint: There are 3 teaspoons in 1 tablespoon. There are 8 fluid ounces in 1 cup. Write your answer as a whole number, decimal, or simplified fraction. Do not round.

Calcule o sexto termo de uma PA. Sabendo que a \( 1=-2 \) e \( r=1 / 3 \)

Quantos números pares existem entre os números 157 e \( 707 ? \)