How to make 36/80 as a fraction but in the simplest form

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =