Peiyi and Jamal bought potted plants at the prices shown below.
Large potted plants = sold at 2 for $15
Small potted plants = sold at 3 for $10
a) Peiyi bought an equal number of large and smaller plants.
She spent $175 more on the larger ones.
How many potted plants did she buy althogether?
b) Jamal spent an equal amount of money on the large and small potted plants.
What fraction of the potted plants he brought were large?