Answer: 10 + 7x 40
We can use exclusion method:
A and C is not correct because Ms Hernandez doesn't want to spend more than 40 dollars --> so it must be less than or equal to 40
Answer:
-6, and 72F on tuesday
Step-by-step explanation:
If the rate is -3 per day, and 2 days pass (tuesday) take 78-6 which is 72