Answer:
The first three statements are correct, the other two are wrong
Second to last problem: WRONG - Since the second to last problem is marked down by 40% we subtract 40% from 100% to get 60%. Now we just do 0.60*28 = 16.8 which makes the statement wrong.
Last problem: WRONG - The last one is marked down by 50% so that is 100% - 50% to get 50%. We do 0.50 * 28 to get 14, making the statement wrong.
The first 3 statements are correct, and the 2 last ones are wrong
- Hope this helped! :)
Brainiest is most appreciated:)
There will be 23 layers of brick, because 7500/321 = 23 with 117 leftover.
Answer:
6 or 7
Step-by-step explanation:
Answer:
x = 
Step-by-step explanation:
Let the number be x
x + 2x² = 10
Factorize x + 2x²
x(1 + 2x) = 10
Divide both sides by (1 + 2x)
x = 