Mathematics, 05.08.2019 01:30 kayla942783

Jonathan weighs thirty pounds more than three times his son aidan's weight. their combined weight is 210 pounds. write an equation to find the weight of aiden. how much does aiden weigh? how much does jonathan weigh?

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The equation should be
j = 30 + 3a
j + a = 210

Solving the equation
j + a = 210
(30 + 3a) + a = 210
30 + 4a = 210
4a = 180
a = 45

j = 30 + 3a
j = 30 + 3 × 45
j = 30 + 135
j = 165

Aiden's weight is 45 pounds, Jonathan's weight is 165 pounds

Answer from: jjelzy

At first, you have to make an equation to represent both of their weights together. A= Aiden's weight. 30+3A+A=210. You want to add like terms so that is comes out to 30+4A=210.
You want to subtract 30 from both sides; 4A=180
Divide 4 on both sides; A=45
Aiden weighs 45 pounds.
You have to multiply 45 by 3 and add 30; 165
165+45=210
Equation: 30+ 3A+A=210; 30+4A=210
Aiden: 45 pounds
Jonathan: 165 pounds

Answer from: Quest

step-by-step explanation:

hello and welcome!

so, when we see the words "proportional" along with a table, we need to know that we're looking numbers that divide by the same thing.

looking at this table, we simply have to do a trial and error, and divide to see which numbers have the same quotient. if you look at choice a & c, they both have equal quotients for three of the numbers, with one exception, so those can't be the answer. looking at b, there is no similarity, so that can't be it. then, we see d; if you divide all the numbers in the table, you'll see that they all divide by two, which is a proportional relationship, and our answer!

$4/2 = 2\\7/3.5=2\\8/4=2\\10/5=2$

also, always remember that the x will always be the number that goes into y, and somewhere behind this table, is a formula. for this specific table, the formula would be:

$y=\frac{x}{2}$

since our x-value is being divided by two to get the y-value. and if they were to ask for more numbers in the series, this is the formula you would use to find them.

Answer from: Quest

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

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