(a) 151 degrees (supplementary angles add to 180’)
(b) 48 degrees (complementary angles add to 90’)
The like terms are 5x and 3x because they both are apart of the x family !
It's C because you change 2/5 into 4/10 then you add 4/10+4/10 which equals 8/10 and is 1 mph. So you add another 2/10 which is an half of a half which equals 1/4. So C
