Answer:
52
Step-by-step explanation:
1) Simplify the inner most parentheses:
35 + [16 - 7 + 8}
2) Perform the operations inside the brackets:
35 + [17]
3) Add
52
Answer:
x = 2 ± √11 (I believe)
Step-by-step explanation:
To grandparents house :
140/56 = 2.5 hours
Return trip :
140/50 = 2.8 hours
Total time : 2.8+2.5 = 5.3 hours
Answer: the rule is to add 1.5
3 + 1.5 = 4.5
4.5 + 1.5 = 6
6 + 1.5 = 7.5
etc...
