Make the denominator the same, so multiple 3/10 by 2, which produces 6/20. Take 6/20 and subtract 7/20 because adding a negative number is the same as subtracting a positive number. the Answer is -1/20.
No, 43 is a prime number, so that statement is false.
Answer:
15 of them do not wear glasses
Step-by-step explanation:
20-5=15
Hope this helps. Have a great day :)
