Which expression is equivalent to 0 . 7 × 0 . 23 ?

56

step-by-step explanation:

47 - 90 = 43

43 - 180 = x

x = 137

imma say 16%. sorry if its wrong. i'm doing the same stuff right now

step-by-step explanation:

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.