1)421x=6
x=70
2)x+6(6x)=420
x+36x=420
37x=420
x=11
3)x-6x=420
5x=420
x=84
4)x+6x=420
7x=420
x=60
If he uses 1/6 for 1/2 the wall he uses 2x as much for the whole wall. because none of the equations have x2 you can ÷1/2 because multiplying by 2 is the same as dividing by a half.
so the answer is 1/6 ÷ 1/2
Answer:
16 or 8
Step-by-step explanation:
I'm not sure if this are right
Answer:
1 paperback is $3.55 and 1 notebook is $3.59 and those items cost less than $3.75.
Step-by-step explanation:
3 paperbacks= $10.56
1 paperback= $10.56 ÷ 3 = $3.55
4 notebooks= $14.36
1 notebook= $14.36 ÷ 4 = $3.59
3 puzzles= $11.85
1 puzzle= $11.85 ÷ 3 = $3.95
4 picture frames= $15.20
1 picture frame= $15.20 ÷ 4 = $3.80
