Answer:
Step-by-step explanation:
Answer:
It is the first choice, where 3 pennies are 7.5 grams
Step-by-step explanation:
Answer:
Step-by-step explanation:
2/5 + x = 1
Multiply each term by 5
2 + 5x = 5
5x = 5 - 2
5x = 3
x = 3/5
Answer: 0.7 is the rate change between the two points