Answer: Once a year, the college goes on (AN) expedition trip to do charity work abroad. Last year’s trip was to help set up (A) community garden in South America. This year’s trip will be to Kenya. The trips are expensive, but students can save (A) lot of money by working together and doing fundraising events.
Explanation:
“An” is used when the following word begins with a vowel, “a” is used when the following word begins with a consonant. The second sentence would use “a” instead of “the”. I don’t know how to explain how I know, but my answer is correct.
It is in the present participle.
The value of x is 11.
7x+33+70=180
7x+103=180
7x=77
x=11
