Respuesta :
Answer:
1- Do 12 times 5 and then 12 times 10. add the sums together
2-Do 15 times 2 and then 15 times 10. Add the sums together
3-You could split 12 in half to get two 6s. Do 15 times 6 and multiply the product by 2 to get your answer
Step-by-step explanation:
Answer:
Brainleist!
Step-by-step explanation:
1) solve it in your head
2) solve it on paper like this:
12
15
x___
answer
3) break it up, 6 x 15 + 6 x 15