Grade 77 grade science
How to substute values of 25a*85d when a=2 and d=5 and also50a-4m when a=70 and m=30
How to substute values of 25a*85d when a=2 and d=5 and also50a-4m when a=70 and m=30
2 Answers
Arun
Dear student
In 25 a *85d
Put a = 2 and d = 5
25 *2*85*5 = 50 * 425 = 21250
Hope it helps
PS- please ask only one question in one session
Sayantan Garai
As a=2 and d=5,
25a*85d = 25 * 2 * 85 * 5 =50 * 425 = 21250.
Also, 50a-4m = 50*10 - (4*30) [a=10 and m =30]
= 500 - 120 = 380.
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