Marty and stewart are stuffing envelopes with index cards. they are putting index cards in each envelope. when they are finished, marty has 15 stuffed envelopes and 4 extra index cards, and stewart has 12 stuffed envelopes and 6 extra index cards. write an expression in standard form that represents the number of index cards the boys started with. explain what your expression means. ( )

27x+10

Step-by-step explanation:

Let both the boys are putting 'x' index cards in each envelope.

then, The number of index cards Marty put=

And The number of index cards Stewart  put=

Now, the total number of index cards they have started with =

Hence, the total number of index cards they have started with =27x+10

hey there!

12 is twice as much as 6 because 6 goes into 12 2 times.

since the rabbit is twice as tall, we should multiply the weight of the first rabbit, 0.25, by 2.

0.25 x 2 = 0.5

therefore, the 12 inch chocolate rabbit weighs 0.5 lb, or half a pound.

hope this !