Julius has three times as many stamps in his collection as his friends Liam and Mario combined. Liam has 10 stamps in his collection. Julius has 87 stamps in his collection. How many stamps does Mario have in his collection?
The equation 3(x + 10) = 87 models this situation. Which choice shows the sequence of operations needed to solve this problem, using both arithmetic and algebra? WHOEVER ANSWERS,PLEASE MAKE SURE IT IS RIGHT THIS IS A EXAM!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
once is enough, please. See your earlier post.
and stop repeating posts!
1. 87 - 10 = 77
2. 77 ÷ 3 = 25.67
3. 25.67 - 10 = 15.67
4. Round 15.67 to the nearest whole number: 16
Answer: 1. 87 - 10 = 77, 2. 77 ÷ 3 = 25.67, 4. Round 25.67 to the nearest whole number: 26