Answer:
So the greatest common factor 15 and 21 is 3.
Step-by-step explanation:
Answer:
The cost of plans is same for 120 minutes.
Step-by-step explanation:
Given:
One cellular phone charge = $26.50 a month and $0.15 per minute.
Another cellular charges = $14.50 a month and $0.25 per minute.
Let the number of minutes at which both plans are same be = minutes
For minutes the plan charges are as following:
1)
2)
So, we equate the above expressions as the plans are same.
Multiplying both sides by 100.
Subtracting both sides by 1450.
Subtracting both sides by
Dividing both sides by 10.
∴
The cost of plans is same for 120 minutes.
Conversion a mixed number 2 2
3
to a improper fraction: 2 2/3 = 2 2
3
= 2 · 3 + 2
3
= 6 + 2
3
= 8
3
To find new numerator:
a) Multiply the whole number 2 by the denominator 3. Whole number 2 equally 2 * 3
3
= 6
3
b) Add the answer from previous step 6 to the numerator 2. New numerator is 6 + 2 = 8
c) Write previous answer (new numerator 8) over the denominator 3.
Two and two thirds is eight thirds
Divide: 5
8
: 8
3
= 5
8
· 3
8
= 5 · 3
8 · 8
= 15
64
Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of 8
3
is 3
8
) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. In the next intermediate step the fraction result cannot be further simplified by cancelling.
In words - five eighths divided by eight thirds = fifteen sixty-fourths.
Answer:
8/3
Divide both sides by the GCF, <u>4</u>.
32 ÷ 4 = 8
12 ÷ 4 = 3