First let's find the result of the sum:
30 + 40 + 70 = 140
Now let's review the operations of each one:
Jillian added 30and40and then 70:
30 + 40 = 70
70 + 70 = 140
Samuel added 30 and 70 and then 40
30 + 70 = 100
100 + 40 = 140
answer
both are correct.
Conclusion: the order of the factors does not alter the product.
Hello!
2 eggs makes 10 pancakes so that is a 2:10 ratio
which can be reduced to 1 egg makes 5 pancakes so
35/5 which equals 7
7 eggs are needed to make 35 pancakes
Hope this helps!
Answer:
k = -5
Step-by-step explanation:
Hi there!
where the two points are
and 
Plug in the given information:

I hope this helps!
Answer:
D
Step-by-step explanation:
b-1≥ 0 or b-7<-8
b ≥ 1 or b<-8+7
b ≥ 1 or b<-1