nemo21
nemo21 nemo21
  • 01-04-2015
  • Mathematics
contestada

70% of a number is 98.

What is 90% of that same number?

A.
63

B.
68.6

C.
88.2

D.
126

Respuesta :

naǫ
naǫ naǫ
  • 01-04-2015
Set up the proportion:
70% - 98
90% - x

[tex]\frac{70\%}{90\%}=\frac{98}{x} \\ \frac{7}{9}=\frac{98}{x} \\ \frac{7}{9}x=98 \\ x=98 \times \frac{9}{7} \\ x=14 \times 9 \\ x=126[/tex]

The answer is D. 126.
Answer Link

Otras preguntas

how are the high holy days of rosh hashanah and yom kipper similar?
A man observes the top of a tower of 80√3m height from 240m far from the foot of the tower, find the angle of elevation. ​
Write Dif it is Deforestation Lif it is Land Conversion. U if it is Urbanization, B if it is Beach and Bay Rehabilitation and Cif it is Climate Change and Disa
Find the measure of x. 30 х 25° X = = [? Round your answer to the nearest hundredth.
There are 3 lie detectors
Given the equation y= -2/3 x-3 can you completle the table
I won’t do it, and you can’t make me! write a story beginning with this sentence plsss do this ty!!!!!!!!!!!
Read the excerpt from "Digging." Which statement best describes the effect of the alliteration in this excerpt? My father, digging. I look down O The alliterat
what is the definition behind Arthritis?
plz help me draw things that are found inside the ribosome such as nucleus, cytoplasm, ribosome, DNA, mRNA, tRNA, amino acids, peptide bonds, amino acid codon c