Pennies made after 1984 weigh 2.5 grams. How much would 10 pennies weigh?

25 grams

Step-by-step explanation:

Pennies made after 1984 weigh 2.5 grams. How much would 10 pennies weigh?

From the above question:

1 penny = 2.5 grams

10 pennies = x grams

Cross Multiply

1 × x grams = 10 pennies × 2.5 grams

x grams = 25 grams.

Hence, the weight of 10 pennies is 25 grams

the answer is 15% decrease

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: