1. Read and understand the situation. Woile the leiter of the correci answer 1 Whal two numbers have sum of 14 and a product of 48? a. 7 and 7 b. 6 and 8 c. 5 and 9 d. 4 and 9 2 The factors of 31 are___ a. 7x5 b 13 x 1 c 1x31 d. 21 + 10 3. Which number has only 2 factors? a 20 b. 30 c. 25 d. 27 _4. Whose multiple are these numbers 30. 60, 90, 120...? a 20 b. 30 C. 40 d. 60 5. What is the 10th multiple of 5? a. 10 b. 30 C. 50 d. 70
9. What is the sum of all prime numbers between 50 and 70? a. 220 b. 230 C 240 d. 250 1O. Subtract the sum of all prime numbers between 10 and 20 from the sum of all composite numbers between 10 and 20 a. 40 b. 45 C. 50 d. 55
1.) b. 2.) c. 3.) There’s no number in there with only 2 factors. However there is a number with 3 factors and that’s 25. That’s the closest to the answer tho. But I advice you to answer 27. 4.) b. 5.) c. 9.) c. 10.) b.
