The other number is 5 less than 3 times the other so the other number will be
3x-5
We are given that they add up to 31, so we can write
x+(3x-5) = 31
4x - 5 =31
Answer:
1)0.21052632
2)-1.222222
3)8x
Step-by-step explanation:
Answer:
He multiplied 3/4 by 1/5 instead of dividing 3/4 by 1/5.
Step-by-step explanation:
Correct is 3/4 / 1/5
= 3/4 * 5
= 15/4 gallons per minute.
1) 2x=5<7
2) 3(y+2)=18
3) 6x+√x
4)11<4x
5) the sum of three minus a number times three is 15
