Write the algebraic expression for each word problem. See if you can spot the trick problem that doesn’t need algebra!

Answers:

Question #6

(b - 7) + 10

Question #7

20 + (w × 50)

Question #8

Question #9

5 + (2 · t)

Question #10

(d · 4) + (p · 2)

6. b-7+10=Number of people on the bus

There are already b amount of people on the bus and 7 get off and 10 get on

7. 50cm x w + 20cm = total wood

because there are W amount of 50cm wood + 20cm extra

8. C/5=Amount

C pieces of chocolate split into 5 friends

9. 2xT + 5 = amount

2 packs and each pack has t amount of pens. 2 x t is the amount in the pack + 5 that you already have

10. Dx4 + Px2 = Answer

Deer have 4 legs and Pheasants have 2 legs so amount of deer x 4 plus the amount of pheasants x 2 = total amount of legs

I don't know which is the trick problem. Sorry

Hope this helps

Step-by-step explanation:

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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