The unit rate of 2.21 pounds/oh is use to express the relationship between pounds and kilograms. Charlie’s scale at home give weight in imperial units. According to the scale he weighs 156 pounds . What is Charlie’s weight in kilograms? Round to the nearest kilogram. Please help test

71

Step-by-step explanation:

Set up a proportional relationship

where k = Charlie's weight in kilograms

And remember 1 kilogram = 2.21 pounds

2.21/1 = 156/k

Cross multiply

2.21k = 156

Divide both sides by 2.21

k = 71 (rounded to the nearest whole )

$97520

step-by-step explanation:

add 6% to the value she got from selling the house.

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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