Step-by-step explanation:
0.75 yard = 1 costume
1 yard = 1/0.75 =4/3 costume
6 yards = 4/3 × 6 = 8 costumes
if you wanna check,
8 costumes = 6 yards
1 costume = 6/ 8
= 3/4 (0.75) yard
Answer:
-5.2; -4.75; -9/2
90
= 6(12+3)
= 6*12 + 6*3
= 72 + 18
= 90