Sang-Jin has only quarters and nickels in her piggy bank. She has 66 coins in the bank with a value of $11.50. How many quarters are in Sang-Jin’s piggy bank? Enter your answer in the box.

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Will give brainliest what is the value of x? enter your answer in the box.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.