78/5. divide both by 7
78% = 78/100 = 0.78
78 ÷ 4945 = 0.015774
7 you add them all up then divide the total by the amount of numbers
x/78 Whatever x equals, divide it by 78.
7 x 78 = 546
0.0815
5.8462
Not by a whole number, but 7 * (78/7) will give you 78 since the 7's will cancel out.
A calculator.
By any of its factors
All multiples of 10 end in a zero To be divisible by 10, the last digit must by a 0 The last digit of 78 is an 8 which is NOT a 0, so 78 is NOT divisible by 10.