It can help you by showing you what you do more simplified. For example 3(x+5) is 3 time x + 3 times 5
Answer: 15%
Step-by-step explanation:
The Percentage decrease will be:
= Decrease in weight / Old weight × 100
= (200 - 170) / 200 × 100
= 30/200 × 100
= 15%
The Percentage decrease is 15%
7.5. 10.5*5 and divide that by 7
Answer:
x+3y+z=21
Step-by-step explanation:
x+3y+z
4+3(5)+2
4+15+2
21
Length= 28
Width= 14
Work:
2(2x)+2(x)=84
4x+2x=84
6x=84
x=14
14x2=28 (length)
