M= 276 31+276=307.
307-31=276 that’s how I found M
Each 1/8 is 0.125, so 7*0.125 in relation to 7/8 as a decimal is 0.875. Answer C.
1/3 x 9a then 1/3 x n plus -1/2 x 4a the -1/2 x 2b the add the two b's together then add the two a'S together the write _a + _b
3/5 divided by -4/9
3/5 times the reciprical -9/4
-27/20=-1 7/20