She can use 68 + 20 = 88 to help by noticing that the 20 is ahead of 19 by 1. She can easily mentally turn the 20 into a 19 and realized that the 88 would become 87.
Answer:
r=5
Step-by-step explanation:
r+2=7
r=5
Answer:
/
Step-by-step explanation:
Answer:
33/4 - 8.287 - 8.29 - 8 1/3
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pls can i get brainliest it took soo long to figure out
