Let the number of days be x.
138 + 27x = 47 + 40x
40x - 27x = 138 - 47
13x = 91
x = 7
Ans: 7 days
Detailed working:
138 + 27x = 47 + 40x
138 + 27x - 27x = 47 + 40x - 27x
138 = 47 + 13x
138 - 47 = 47 + 13x - 47
91 = 13x
13x = 91
x = 91 ÷ 13
x = 7
Step-by-step explanation:
24 + 28
2*2*2*3 + 2*2*7 [prime factors]
You may distribute any common ones, for example:
4(6+7) [that is, 2*2*(2*3 + 7)
2(12+14)
Answer: Answer D
Step-by-step explanation:
A dilation will always create an image smaller or bigger than the pre-image making it not congruent since it changes in size.
Answer:
90
Step-by-step explanation: