risingammie risingammie

06-12-2017
Mathematics

contestada

how old am i if 509 reduces by 3 times my age is 209?

Respuesta :

Superglace Superglace

06-12-2017

509-3a=209
509-509-3a=209-509
-3a=-300
-3a/-3=-300/-3
a=100
Your age is 100 years old.
Check:
509-3a=209
509-3(100)=209
509-300=209
209=209

Answer Link

Otras preguntas

Can anyone help me with those 2 exercises? Please J really need help.

Make x the subject:y= (x+10)^2

Can anyone pls answer dis the story is called "the lottery"

How many overall points did the Braves score in this World Series?

Composition analysis of a mixture of CaCl2 and NaCl was carried by dissolved 2.500 g of powder in distilled water and make up to 250.0 cm3 in a volumetric flask

convert the following measurements intothe indicated units 1.) 100 m^2 – as ft^22.) 2 km _____ ft3.)2,057 grams - as kg4.) 1.25 × 10-7 meters - as µm5.) 6.58 ×

The part of the brain that relates to memory and judgment can be damaged by substance abuse. A. True B. False

In Y+(y+1)+(y+2)=90 how is the value of y?

A parabola opening up or down has vertex (0, -2) and passes through (8, -18). Write its equation in vertex form. Simplify any fractions.

How can you obtain acid from non metal?