Huracan
Huracan
25-02-2016
Mathematics
contestada
after increasing by 30% it became $520?
Respuesta :
apologiabiology
apologiabiology
25-02-2016
so from 100% you increased it by 30% to become 520
130%=540
percent means parts out of 100
130%=130/100=1.3
1.3 of whole=520
divide both sides by 1.3
whole=400
the number was 400
Answer Link
cactussky
cactussky
25-02-2016
This can be expressed by the equation 520 = 1.3x
So, we divide 520 by 1.3 and get 400 :)
Answer Link
VER TODAS LAS RESPUESTAS ( 82+ )
Otras preguntas
PLs, help me with this question
The perimeter of the figure below, in inches.
Select the best answer for the question. 2. Use the chart to answer the question. Which battle was British victory? Date Battle Result April 19, 1775 Lexington-
Which of the following is a rational number
What am a supposed to add
True or False: If the plantain plant is removed, the mouse will be able to survive. True False
It is important for Annie Sullivan to assert her authority because……
Which of the following devices might be used to transmit electronic mail? *1 point(A) Printer(B) Monitor(C) Fax machine(D) Smartphone
Which mineral is commonly mined as a source of the element lead (Pb)? a. galena b. quartz C. magnetite d. gypsum
Find the missing side length of the right triangle using the Pythagorean Theorem or PT converse. A) 41 in B) 29 in C) 6 in D) 841 in
