An addition sign between 978 and 842 would make the equation true!
Well, there are many apps and websites such as Honey to help you. You can also find then on newspapers and magazines where you can find coupons for discounts. And you can find tips in places like BRAINLY like I am doing now.
Answer:
45 cupcakes.
Step-by-step explanation:
90% of 50 = 45.
Hope this helps :)