5/2 = 5:2
Lets take 5:2 as 5x and 2x.
5x + 2x = 140
7x = 140
x = 140/7
x = 20
So, 5x = 5x20 = 100 red bricks
and, 2x = 2x20 = 40 grey bricks.
100 + 40 = 140 bricks
So, to build the decorative wall, 100 red bricks and 40 grey bricks were used.
Answer:
0.75 tons, i used a calculator lol
Step-by-step explanation:
The 3 in the thousands place can be changed exactly by adding 5,000.
The number in 53,941 the 3 thousand changes to 8 thousand and the differnce is 5,000 or same thing as adding 53,941+5,000 OR 58,941-53,941.
Answer:
research it many my answer will be wrong