Answer:
- 340 dimes and 232 quarters
Step-by-step explanation:
Let the number of dimes be x and quarters be y.
- Dime = 10 cents, quarter = 25 cents, total amount is $92 = 9200 cents
<u>We have equations:</u>
- x + y = 572
- 10x + 25y = 9200
<u>Multiply the first equation by 10 and subtract from the second one:</u>
- 10x + 25y - 10x - 10y = 9200 - 5720
- 15y = 3480
- y = 3480/15
- y = 232
<u>Find the value of x:</u>
- x + 232 = 572
- x = 572 - 232
- x = 340
Answer:
Greater than 8 hours
Step-by-step explanation:
51 < 7x -5
56 < 7x
8 < x
X is the amount of hours
Answer:
Step-by-step explanation:
For calculating this, you have to calculate percentage,
English test = 26/30 * 100 = 86.66%
Biology test = 81/100 * 100 = 81.00%
So, On English test she received higher score.
Answer:
The answer is 3.12
Step-by-step explanation: