For every 3 nickels there are 2 dimes. For every 3 dimes, there are 4 quarters. There are 230 coins in the piggy bank. Once you figure out how many of each coin you have, how much are the coins in the piggy bank worth?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Answer! if you don’t mind, can you explain

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!