ftmghg27865 ftmghg27865
  • 03-11-2018
  • Mathematics
contestada

Charmaine's penny bank is
1/10
full. After she adds
400
pennies, it is
1/2
full. How many pennies can Charmaine's bank hold

Respuesta :

sensationalsarath
sensationalsarath sensationalsarath
  • 03-11-2018
we shall take X as the total amount of cash her piggy bank can hold
therefore 1x/10+400=1x/2
400=1x/2-1x/10
we should make the denominator's the same
400=5x/10-1x/10
400=4x/10
400*10=4x
4000=4x
4000/4=X
1000=X
hope u found this useful
Answer Link

Otras preguntas

Multiply 2x(x2 + 5).
Is this grammatically correct in Spanish? El coche fue muy rapido. (It should say "The car was very fast")
how do genetic engineering techniques enable scientist to produce clotting protein? explain
Given the parent function of f(x) = x4, what change will occur when the function is changed to −f(2x)?
What is the slope of the line defined by the equation 2x + 3y = 18?
What is the y-intercept of the function? y = 20,000(0.95)x A. 0.95 B.20,000 C.0 D. 1
In France, _________always stays in the left hand. la cuillère le verre la fourchette l' assiette
Firms purchase inputs for production from households in the _______.resource market    product market     factor market     free market
you mix the letters M,A,T,H,M,A,T,I,C,A,and L. Without looking you draw a letter. Find the probability. Write the probability as: A fraction in simplist form,a
Proportion Help ! The two rectangles are similar. Which is a correct proportion between corresponding sides? A: 14/10 = l/4 B: 14/4 = l/45 C: 4/14 = l/10 D: 14/