Question

If 28a+30b+31c = 365 then value of a+b+c = ?
1. 11
2. <11
3. >13
4. 12; If 28a+30b+31c = 365 then value of a+b+c = ?; 1. 11; 2. <11; 3. >13; 4. 12

Answer 1

Answer: 12

Step-by-step explanation:

28a+30b+31c=365

28, 30 and 31 are the number of days of the month

So (28x1) + (30x4) + (7x31) = 365

So a+b+c=1+4+7=12