danashawilliamson198 danashawilliamson198

01-05-2020
Mathematics

contestada

Use the percent proportion to solve each problem 25 is 80% of what number

Respuesta :

Chelboy Chelboy

02-05-2020

Answer:31.25

Step-by-step explanation:

a is the unknown number

80% of a=25

80/100 x a=25

80a/100=25

Cross multiplying we get

80a=25 x 100

80a=2500

Divide both sides by 80

80a/80=2500/80

a=31.25

Answer Link

Otras preguntas

Post Secondary Education happens after you earn a High School Diploma High School Associate's Degree Master's Degree Cetificate

Oxygen is being added to a canister which originally contained 5 cubic feet of the gas at the rate of 0.3 cubic feet per second. Which function represents the v

The selling price of an article is 20% less than its marked price and the markedprice is 30% above the cost price. Find the profit percent.

Balance the following reaction: _(NH4)2CO3 + _MgSO4 ----> _(NH4)2SO4 + _MgCO3

BRAINLIESSTTT !!!! 1. If the volume of a sphere is 120 feet cubed, what is the approximate length of its diameter? Round to the nearest hundredth 2. The volume

How much time is needed to stop a fan completely if it is moving at 30rad/s. its radius is 2m. The linear decceleration of a point 1.5 m from center is 5m/s2.

WHAT IS THE SLOPE OF THE LINE

Find the values for "x" and "y" in the image below

hellllllpppppppppppppp

1 1/3 divided by 2/3