How to solve a problem

Tomato plants $.40 each. Pepper plant $.35 each. Kevin wants to buy at least 20 plants for no more than $7.50. Let tomato plants = x and pepper plants = y. Write a system of inequalities for both kinds of plants.

Risa types 216 words in 6 minutes she typed an average of how many words per minute

Porky the pig weighs 1,125 lbs. Less than Kobe the Cow. After each gains 50lbs. Kobe the Cow will weigh ten times as much as porky the pig. How much does each animal currently weigh?

Which ratio is equivalent to the ratio 7:6

A ream of paper contains 550 sheets. How many are in 13 reams?

Leonardo recorded his speed while skateboarding and determind he was traveling 18 feet per seconds. How many feet could he travel in one minute?

If two positive integers p and q are written as p = a^2b^3 and q = a^3b, where a and b are integers, then show that LCM (p, q) * HCF (p, q) = pq

If the original distribution of x values is known to be normal, do we need to make any restriction about sample size in order to claim that the distribution of sample means x taken from random samples of a given size is normal?

What is 4 1/2 divided by 7 1/3 and multiplied by 1 3/5?

Is - 130 closer to 121 or 144