Answer:
A. 5a+10
Step-by-step explanation:
a + 20 + 4a - 10
= a + 4a + 20 - 10
= 5a + 10
Answer:
125
Step-by-step explanation:
Find the surface area of the table that Raj wants to cover.
Since the side table is a cube each side is identical.
Step 2:
Raj wants to cover 5 sides of the cube. Therefore the total surface area to be covered is 5 · 30 · 30 = 4,500 square inches.
Step 3:
Find the surface area of each tile.
The surface area of each tile is 6 · 6 = 36 square inches.
Step 4:
Find the number of tiles needed to cover the table.
4,500 square inches
36 square inches per tile
= 125 tiles
Raj will need 125 tiles to cover the table.
Answer:
4
x
+
23
Step-by-step explanation:
The first responder is exactly correct in order to find the answer you must divide the gas cost by the amount of gallons (which in this case is 5 gallons. $17.50 / 5 = $3.50 per gallon