starbutterfly1550
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 richjessica2002
  • 04-01-2019
45 fish

explination. 25% of 60= 15
60-15=45
Answer Link
musiclover10045
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

Calculate how much work you need to move the 130 N trunk to a ledge 2 m above.
When the body receives stimuli, which structure typically processes the stimuli?
18x-(8x-7)=67 what does 'x' equal in this equation?
how many atoms of hydrogen are present in the reactants and in the products? 6CO2 + 6H2O → C6H12O6 + 6O2
how a convection current can enable a hawk or eagle to soar upward without flapping its wing
How do I solve 15+(5-x)/x=30
How many grams of CO2 are produced by burning 8.32g of C4H10?
Is 5/11 greater than 1 / 2?
Experts agree that the minimum time period for cardiorespiratory benefit from exercise is _______ minutes.      A. 20B. 10C. 60D. 30
Why did a division of labor occur when people started to produce a surplus of food?