Yuki´s guppies have begun to have babies . she started with 5 guppies. one week later, yuki counted twice as many guppies in the fish tank. each week afterwards, the number of guppies doubled . in how many weeks did yuki have 160 guppies ?

6 weeks

Step-by-step explanation: 5, 10, 20, 40, 80, 160

step-by-step explanation:

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.