A is wrong.
B is correct.
C is wrong
D is correct as it is the same method as B
Answer:
$1.50
Step-by-step explanation:
sandwich - $.50
hotdog - ?
$1.00 + $.50 = $1.50
The price of the hotdog is $1.50.
Answer:
Last year: 49 students
Step-by-step explanation:
There were 23 more students this year than last year. This means that 72 is equivalent to x, or a random number, plus 23
If 23 + x =72
Then x = 72 - 23
Which means that x = 49, or that the number of students that completed projects for the science fair is 49.
Hope this helps!!!