starbutterfly1550 starbutterfly1550

04-01-2019
Mathematics

contestada

The number of fish in a lake deceased by 25% between last year and this year.Last year there were 60 fish in the lake. What is the population this year?

Respuesta :

richjessica2002 richjessica2002

04-01-2019

45 fish

explination. 25% of 60= 15
60-15=45

Answer Link

musiclover10045 musiclover10045

04-01-2019

The population decreased by 25% which means there is 75% of the population left ( 100% - 25% = 75%)

Multiply last years population by 75%:

60 x 0.75 = 45 fish this year.

Answer Link

Otras preguntas

For f (x) = 4x +1 and g(x) = x2 - 5, find (1-3)(x).

A toy store owner purchased 70 puppets for $1006. She sold them for $1412. How much profit did she make per puppet?

1 kilogram (kg) is about 2.2 times as heavy as 1 pound (lb). Suppose the function f determines Emanuel's weight (in lbs), f ( t ) , given the number of days t s

The Crusades decreased trade demands for luxuries from the Middle East. true or false

Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [HCl]eq = 0.13 M, [HI]eq = 5.6 × 10-16 M, [Cl2]eq = 0.001

Consider the following equation. f(x, y) = e−(x − a)2 − (y − b)2 (a) Find the critical points. (x, y) = a,b (b) Find a and b such that the critical point is at

How do you solve this and provide me the answer

I don’t get this question

What is the concept of friendship portrayed in both Society and Solitude and Chapter 1 of Nature

In Part H, you discovered that the luminosity of a light bulb increases if the current increases. The rate at which electric potential energy is converted into