Final answer:
To find the combined number of push-ups and sit-ups Jacob did last month, we calculate the number of push-ups and sit-ups separately and then add them together. Jacob did a total of 2850 push-ups and sit-ups combined.
Step-by-step explanation:
To find the combined number of push-ups and sit-ups that Jacob did last month, we need to calculate both numbers and add them together.
Let's start with the push-ups. Jacob's goal was 2000 push-ups, and he achieved 3/4 of his goal. So, the number of push-ups he did is calculated by multiplying his goal by 3/4:
Push-ups = 2000 * 3/4 = 1500
Next, let's calculate the number of sit-ups. Jacob's goal for sit-ups is not given, but we know that he achieved 9/10 of his goal. Since he achieved 3/4 of his push-up goal, we can assume a similar 9/10 achievement for sit-ups:
Sit-ups = Push-ups * 9/10 = 1500 * 9/10 = 1350
Finally, we can calculate the combined number of push-ups and sit-ups:
Combined = Push-ups + Sit-ups = 1500 + 1350 = 2850