elizash4 elizash4

03-11-2019
Mathematics

contestada

If 30% of a number is 42, what would 50% of that number be?

Respuesta :

asliyus asliyus

03-11-2019

Make a variable for “number”
Number=X
0.3x=42
X=140
50% is the same as 1/2
So, half of 140 is: 70

Answer Link

fgorman818 fgorman818

03-11-2019

Answer:

70

Step-by-step explanation:

Make a variable for “number”

Number=X

0.3x=42

X=140

50% is the same as 1/2

So, half of 140 is: 70

Answer Link

Otras preguntas

If the value of “y” varies directly with “x” and y = -8 when x = 20, find “y” if x = -4.

PLEASE HELP. NEED ANSWERS. IM A STUDENT AND STRUGGLING. Some of the acid in acid rain is produced by the following reaction:3NO2(g) + H20(l)► 2HNO3(aq) + NO(g)

Logan Chivery owns her own car. Her June monthlyinterest was $300. The rate is 8 72 percent. Logan'sprincipal balance at the beginning of June is$42.335.14. (Us

Silvia has blond hair, even though her mother and father each have brown hair. What do we know about Silvia's parents? At least one of her parents has a recessi

Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa, 500◦C, and 80 m/s, and the exit conditions are 30 kPa, 92% quali

John Watson and Rosalie Rayner (1920) conditioned baby Albert to fear a white rat by pairing it with a loud noise that Albert already feared. After the conditio

Discuss the steps in ecological succession, using appropriate terms and examples.

HELP NEEDED ASAP! WOULD BE APPRECIATED Pat has x quarters and y dimes, and, in addition, has no more than two dollars. Write inequalities that represent this si

Find the 8th term of the geometric sequence whose common ratio is 2/3 and whose first term is 6.

An airliner carries 150 passengers and has doors with a height of 78 in. Heights of men are normally distributed with a mean of 69.0 in and a standard deviation