4b=a then plus 10 to see if the age holds true to 3b=a in ten years. Then since the question is how old is she today? You must either add 6 to young age (of20) or minus 4 from the older (of 30).
So Betty would be 26 today.
Answer:
The time required is 4.5 hours.
Step-by-step explanation:
A furniture manufacturing company typically takes 18 hours to assemble 12 pieces of furniture. To determine the number of pieces of furniture that will be assembled in 3 hours, the following calculations were proposed; the one that allows to verify this relationship correctly is
The 12 pieces of furniture assembled in 18 hours
So, 1 piece assembled in 18 / 12 hours = 1.5 hours
And 3 pieces assembled in 3 x 1.5 = 4.5 hours
Answer
Given,
proton represent positive charge
the integer that will give the representation of 5 protons will be equal to + 5
an electron represents negative charge
the integer that will give the representation of 3 electrons will be equal to -3
Answer: 8/9 is rational
.2593 irrational
square root of 7: irrational
square root of .25 is rational
square root of 14: irrational
0 is a: rational
square root of 280: irrational
square root of 35: is irrational
.2222: is rational
square root of 3r is a rational number......
Step-by-step explanation:
Answer:
3*4=12
12-2=10
10*2=20
20+15=35
35*2=70
Step-by-step explanation:
