He used distributive property
So we know that the width is 12 because 4 x 3 = 12. The formula to find the perimeter is Length + length + width + width. So you would do 3 + 3 + 12 + 12 = 30. Therefore the perimeter is 30 inches
Answer:
22 11/12 feet
Step-by-step explanation:
44 3/4−21(5/6)= 179/4−21(5/6)=179/4−131/6
==
275/12=
22 11/12
Answer:
Each eraser costed 5 dollars
Step-by-step explanation:
25.00 - 5.00= 20.00 and 20.00 ÷ 4=5 and 5x4=20
Answer:
1,200 kilometers (km)
Step-by-step explanation:
The scale of a map = 1:30000000
There are two cities that are 4 cm apart on the map
<u>
First: Find the distance between them</u>
Distance between them = 4 cm × 30,000,000 = 120,000,000 cm
<u>Second: Convert</u>
120,000,000 cm = 1,200 km
So distance between the cities is 1,200 km