Find the actual sum of 1 3/4 + 1 5/8 to determine how much david grew in two years. explain how you know your answer is reasonable

Step-by-step explanation:

Find the sum

we know that

substitute

step 1

Separate the mixed number into a whole number and a fraction number

step 2

Group the whole numbers an the fraction numbers

step 3

Combine like terms

Remember that

substitute

The answer is reasonable

Because

I know that 1 3/4 < 2 and 1 5/8 < 2

so

The sum of both numbers must be less than 4

168

step-by-step explanation:

i am pretty sure that the answer is 168

da freeck kinda math is this just drop out

step-by-step explanation: