Sarah worked the following problem incorrectly.

Part 1) In which line was the mistake made?
Part 2) Show your work and give the correct answer?

Line 1 40 ÷ 5(3 − 1) − 4
Line 2 40 ÷ 5(2) − 4
Line 3 40 ÷ 10 − 4
Line 4 4 − 4
Line 5 0

Question

Sarah worked the following problem incorrectly. 

Part 1) In which line was the mistake made? 
Part 2) Show your work and give the correct answer? 


Line 1	40 ÷ 5(3 − 1) − 4
Line 2	40 ÷ 5(2) − 4
Line 3	40 ÷ 10 − 4
Line 4	4 − 4
Line 5	0

rsadhvika · Answer

line 3 she should divide first

anonymous · Answer

first divide, then multiply and then subtract

anonymous · Answer

so this
Part 2)
40 ÷ 5(2) − 4
8(2) - 4
16 - 4
12

rsadhvika · Answer

Line 1	40 ÷ 5(3 − 1) − 4
Line 2	40 ÷ 5(2) − 4
Line 3	8(2) − 4
Line 4       16 - 4
Line 5       12

rsadhvika · Answer

Yes ! good work !

anonymous · Answer

i need help with another 1

rsadhvika · Answer

ok

anonymous · Answer

A concession stand charges $2.00 per soda and $0.50 per candy bar. Write an expression for the amount of money you would need to buy x sodas and y candy bars.