Answer:
3 (5x+7) = 75
15x + 21 = 75
15x + 21 - 21 = 75 - 21
15x = 54
x = 3.6
Step-by-step explanation:
10/4 is 2.5. The snail travels 2.5 cms ever min. So 24/2.5 is 9.6 so the snail takes 9 mins and 36 seconds.
There is about 323ft in a city block. 24*323=7752ft
7752ft to km is about 2.3km
So I would say it is 2km in the choices you gave
Answer: the answer is C
Step-by-step explanation:
7.2 x 6=43.2 cm^2
(2.8+7.2) x 4 /2 = 20 cm^2
20+43.2=63.2 cm^2