I have a feeling it B but I don’t know maybe C
12/30 = 18/45....cross multiply
(30)(18) = (12)(45)
540 = 540...proportional
another way to tell is to see if they are equivalent...because proportions are nothing but equivalent fractions.
12/30 = 2/5
18/45 = 2/5
so yes, they are proportional
Answer:
1 = B
2 = A
3 = C
4 = D
Step-by-step explanation:
Answer:
4/5
Step-by-step explanation:
Answer: 259.2
Step-by-step explanation:
Hi, since the shoe box is a rectangular prism we have to apply the next formula to calculate the surface area if the box:
Surface area (A) = 2wl + 2lh + 2hw
Where:
w = width
l = length
h = height
Replacing with the vales given:
A = 2 (6x 10)+ 2 ( 10x3)+ 2 (3x 6)
A = 2 (60) + 2 (30) + 2(18)
A = 120+ 60+36
A =216 inches
Since she needs 20% more than the total surface area in gift wrap, we have to multiply the total surface area by the 20_% in decimal form, and then add that value to the total surface area.
216 x (20/100) = 43.2
Adding that value to the total surface area:
216 + 43.2 = 259.2 square inches