Answer:

Step-by-step explanation:
Art bought
and
yards of fabric.
Total fabric bought: 
To add both fractions, we convert them into improper fractions (multiply denominator with whole number, then add the numerator) and then we find the LCM of the two denominators: 12 and 16
LCM of 12 and 16 = 48

We reduce this fraction to mixed fraction (or reduce if possible), since 1027 and 48 have no common factors.
=
yards
Answer:
17.5%
Step-by-step explanation:
=22÷126
=0.1746 or 0.175
to convert into percentages= 0.175x100℅
=17.5%
4x+y = 20
3x+y = 2
4x+y-3x-y = 20-2
x = 18
3x+y = 2
3.18 + y = 2
54 + y = 2
y = -52