I’m not 100% sure but I think it’s 4 for the gcf
Answer:
400$
Step-by-step explanation:
100$ is 25% of 400
Caves are formed by the dissolution of limestone. Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves.
Since y is less than x by 7 times

so in terms of x we write
x=7y
Your answer will be 3.7w-2