If 5 is decreased by 3 times a number, the result is -4

For how answer my question this will be the last question can you answer in math subject

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.