What is the value of the expression below?

7÷2-4.5×3+8

a. –16.5

b. –2

c. 5

d. 30.8

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

step-by-step explanation:

659