Anne and nancy use a metal alloy that is 20% copper to make jewelry. how many ounces of a 14% and 24% alloy must be mixed to form 100 ounces desired alloy?

This is so hard and it’s for a test

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.

Need asap. solve for the following inequality