math 7th grade

math

100

0.4x+5.49=9.49

x=10

200

what is the population

all the people

300

what is the chance of rolling a 11 on a 12 number dice

1/12

400

50miles/1in=x miles/4.5in

225 miles

500

Noah had 20 marbles if you pick a red you get 1,000 dollars if you pick a blue you lose 100 dollars and if you pick a green nothing happens.how many kids will pick red if 20 students participate? and what is the percentage?

p(red)= 2/20

p(green)=6/20

p(blue)=12/20

2 kids will get 1,000 dollars. 10%

more math

100

5x+27=122

x=19

200

11/19=t/104

81.71428571

300

Amanda and Joseph have a spinner with 16 fair sections if you pick red you win. there are 4 reds. And 1,000 play their game. How many winners are there?

there probably will be 250 winners

400

24/69

34.8

500

55/223

24.7

extra math

100

3(x+5)=24

x=3

200

m/-3.14=29

-91.06

300

71/416=w/300

w=51

400

how many combinations when there are 3 letters and 3 numbers

9 possible combinations

500

order from least to greatest

-5,|-8|,2,-2.5,0,1/2,12.7,-1/4,5.3,|-15|,2/3,|4|,-3, -8.2,-12.5

-12.5, -8.2, -5, -3, -2.5, -1/4, 0, 1/2, 2/3, 2, |4|, 5.3, |-8|, 12.7, |-15|

even more math

100

Find the value of p.Open or closed circle? Which way is it facing right or left?

50+p>907

p=907. open and right

200

find the range, mean, and median

13,24,1,8,5,16,15,21,2,10,14,4,13,21,11,9,13,28,25,3

range:27, mean:12.8, median:13

300

4(x+3)<120

x=29.5

400

y=3.5x

x=777

rules: no calculator

y=2719.5

500

there are 700 marbles 87 are gold. there are 500 participants. how many will win?

About 56 winners

For the boys

100

who is #10 in real Madrid 

kylian mbappé

200

who is cr7?

Cristiano Ronaldo

300

Who is the new #10 in Barcelona

lamine yamal

400

who won the most world cups

Pele

500

who won the world cup 2022

Messi