Answer:
1/7
Step-by-step explanation:
Alternative Form: 0.142857, 7^-1
An equivalent mixed number for 3.2 is 3 1/5.
Answer:
20
Step-by-step explanation:
You can write the equation x+(3x+1)+(x-11)=90 and then isolate x
x+(3x+1)+(x-11)=90
5x-10=90 (combine like terms)
5x-10+10=90+10 (add 10, addition property of equality)
5x=100
5x/5=100/5 (divide by five, division property of equality)
x=20