Answer:
67
Step-by-step explanation:
First multiply, then do addition and subtraction in order from left to right
The answer is

÷ 2 =

÷
If

÷

=

, then:

÷

=
Now, 2 can be canceled out from

:
Answer:
12
Step-by-step explanation:
you know there are 4 - 15 minutes parts in 1 hour. so if she can sew 48 yards in 1 hour, divide 48 by 4 =12 yards
Area if the rectangle = 42 sq. inch
Area of a rectangle = l × b
42 = 12 × b
b = 42/12 = 3.5 inch
Now, perimeter of a rectangle= 2(l + b)
= 2(12+3.5) = 2(15.5) = 31 inches