contestada

Kat is painting the four walls of her bedroom. She paints 52 square feet in 23 of an hour. How many square feet does she paint per hour?

Respuesta :

Question ↷

Kat is painting the four walls of her bedroom. She paints 52 square feet in 2/3 of an hour. How many square feet does she paint per hour?

Answer ↷

78 sq. ft

Solution ↷

  • Area Kat can paint in 2/3 of an hour ⤏52 sq. ft

★ 2/3 of an hour ⤏ 2/3 x 60 = 40 minutes

  • Area kat can paint in a minute ⤏ 52/40 = 1.3 sq. ft
  • Area kat can paint in 60 minutes ⤏ 60 x 1.3 = 78 sq. ft

★ An hour ⤏ 60 minutes

Hence , kat can paint 78 sq. ft in an hour

Otras preguntas