Question

Maths
Class 7
Temperature at the night fall by 20 C every hour. If at 11 pm, the temperature was 250C, what is the temperature at 4

am ?​

Answer 1

Answer:

150.c

because 5 hours

1hr=20

5hr=100

so 250-100=150

Answer 2

Step-by-step explanation:

$temperature \: fall \: by \: every \: hour = 20c \\ temperature \: in \: 11pm = 250 \\ time \: beween \: 11 \: and \: 4 = 5h \\ \: \: = 5 \times 20 = 100 \\ 250 - 100 = 150c$

so the temperature ️ in 4am is 150c