Answer:
3
Step-by-step explanation:
a positive 3 taken away from a negative 10 leaves you with less negative but still in the negative which means you get -7 so 3 is the blank
Answer:
Step-by-step explanation:
i think its 3
Answer:
carbon footprint
7.7 tons
Step-by-step explanation:
Given that,
carbon dioxide produced by a car over 7 year period = 53.5 tons
To find,
carbon footprint <em>(tons of carbon dioxide per year)</em>
7 years ------> 53.5 tons
1 year -------> 53.9/7 tons
= 7.7 tons
tons of carbon dioxide produced per year = 7.7
