donna bought a candy bar for $1.50. she paid with nickels and dimes. she used 21 coins in all. how many nickels and how many dimes did she use.

1; 35 is the ratio

step-by-step explanation:

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%

step-by-step explanation:

there's the chart