Algebra+Addition_Subtraction

Definition / Summary / How To / Steps

Easy Problems[[image:http://t1.gstatic.com/images?q=tbn:ANd9GcSn7otCuvR5WADSRWDv-nzuTF8k0u9VuQB72_mkyu7B8s03sMxRzw width="265" height="190"]][]
Noor said "Hey!" to Alec 20 times, later on she said "Hey!" to Kerry 14 times. How many times did she say hey all together? The answer is 34 times. Medium Problems

Hard Problems

Pictures

Videos