Dany bought a total of 20 game cards some
of which cost $0.25 each and some of which
cost $0.15 each. If Dany spent $4.2 to buy
these cards, how many cards of each type
did he buy?

Need answers fast

0.6, 3/5, and 6% are the 3 same portion.

but, when they're all changed to a decimal they would equal to 0.6.

hope this , good luck!

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1