40 and 35 are the length and the width of the Rectangle
Step-by-step explanation:
4 + x + 3x = 4 ( 5x ) - 3 ( x ) - 10
4 + x + 3x = 4 + 5x - 3 + x - 10
x + 3x + 5x + x = 4 + 4 - 3 - 10
10x = 21
10x % 10 = 21 % 10
x = 2,1
Answer:
Step-by-step explanation:
1. no-has decimal
2. yes, simplifies to -2
3. yes
4. yes
5. no-2.1
Answer:
it's a little bit confusing and not too clear but the third one should be correct
Let x represent the amount of time she has to type, 18
So, 6(18)+20= 128 words in all