3/2 + b = 7/4
First rewrite 3/2 to have the same denominator as 7/4:
3/2 x 2 = 6/4
Now you have 6/4 + b = 7/4
To find b subtract 6/4 from 7/4:
b = 7/4 - 6/4
b = 1/4
Answer:1)720 white stripes and 840 red stripes
2)48 divided by 4=12 feett per second
3)265 divded by 4 than divide 425 by what you got before
4)3 times 10=30
Step-by-step explanation: