KoredeA10717 KoredeA10717

03-11-2022
Mathematics

contestada

the difference between 75% of a number and 20% of the same number is 378.9 what is 40% of that number?

Respuesta :

KaiyleeN745173 KaiyleeN745173

03-11-2022

[tex]\begin{gathered} \text{ If we note by "x" our number, then} \\ 0.75\cdot x-0.2x=378.9 \\ (0.75-0.2)x=378.9 \\ 0.55x=378.9 \\ x=\frac{378.9}{0.55} \\ x=688 \end{gathered}[/tex]

Thus, the 40% of the number is

[tex]688.909\cdot0.4=275.563[/tex]

Answer Link

Otras preguntas

What does this quote tell us about the media influence during the Nixon investigation

Over which of the following domains of governance do state governments NOT have authority?

Choose the property that justifies the outcomes. 5(3*8)=15*8 Associative Property of Addition Additive Inverses Commutative property of Addition Multiplicative

IN waging a total war, a nation channels all of it's _____ into the war effort.

What does this quote tell us about the media influence during the Nixon investigation

A coin is biased such that it results in 2 heads in every 3 coin flips, on average. The sequence is most probable for the biased coin.

With the Industrial Revolution came opportunities for women to

Which of the following was a prominent Federalist

Explain the differences between liberal, moderate, and conservative.

Which of these aspects was common to the First and Second Industrial Revolutions? a. use of the assembly line b. use of electricity c. use of water power d.