Question

87•5%X864-37•5%X64+33 1/3%X342

Answer 1

Convert them to fractions
87.5%=7/8
37.5%=3/8
33 1/3%=100/3
(7/8)*864=7*108=756
(3/8)*64=3*8=24
(1/3)*342=114
756-24+114=870-24=846