Answer: 4 x (5+5)
Step-by-step explanation: (4 x 3) + (4 x 7) = 40 and 4 x 10 = 40, so 4 x (5+5) is the answer.
Hope this Helps
how is the volume of a solution used in calculating concentration?
Respuesta:
Step-by-step explanation:
7 libros
12 - 19 ⇒ 7
Let X = science homework.
Then math homework would be 3x ( three times as long).
Now you have math plus science = 64 minutes:
x + 3x = 64
Combine like terms:
4x = 64
Divide both sides by 4:
x = 64 / 4
x = 16
He spent 16 minutes on science and 48 minutes on math.
ur ans n fine me brainlist!
Answer:
2
