Toby has 5 toy trains and receives 2 more
the error in tina's conclusion
r his birthday. his sister, tina, says he now has 5 x 2 - 10 trains. toby identify

answer:

5+2=7

step-by-step explanation:

plz brainliest

answer:

step-by-step explanation:

5 times 2 is 10

power property.

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40