2/5 is now 10/25 now add 10/25+11/25=21/25
I just used PEMDAS. It was easy.
Answer:
x = 6
Step-by-step explanation:

We can multiply both sides by 1.5 to isolate x

she can count the number of row and the number of square in each row, or she can add 6 and 8
Answer:
52
Step-by-step explanation: