5,10,15, (add 5)
next is 25
let p be the initial number of the fungi in the culture,
since, the relative growth rate for a certain type of fungi is 60% per hour,
⇒ the number of fungi is increasing by the constant rate of 60%
according to the question,
291.87 is a rational number.
rational numbers are those numbers that can be expressed in fractions that is can be written as where p and q are integers and .
consider the given number 291.87
rewrite the decimal number as a fraction with 1 in the denominator, we get,
multiply to remove 2 decimal places. here, you multiply top and bottom by 10² = 100
thus, the above fraction can be written as,
thus, 291.87 is a rational number.