Jamal wants to find the sum of 6/10 and 17/100. he says the sum is twenty-three hundredths. what is his mistake

He should make the denominators ( by finding the LCD)  the same before adding.  LCD of 10 and 100 = 100  so

6/10 = 60 /100

and  60/100 + 17/100

= 77/100 is the correct answer

answear:

a

step-by-step explanation: a

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!