Respuesta :
Answer:
She bought 142 ounces all together.
Step-by-step explanation:
78.40 + 63.6 = 142
Answer:
142 oz.
Step-by-step explanation:
You can add 78.4 and 63.6 to get 142. If you don't know how to add decimals, you can disregard the decimal until the end, when you move it over 1 place in this particular case.