70+75+80+90+100=415
415/5=83
<span>After the lowest grade is dropped, Janet's average would be an 83%</span>
Answer:

Joshua can spend up to 3.21 on a card.
Step-by-step explanation:
is the correct equation because Joshua is spending 21.79 on flowers, a certain amount on the card, and the maximum he can spend is 25. That is why you use the less than or equal to sign.
To solve, first subtract 21.79 from both sides to get:
. This means that Joshua can spend up to 3.21 on a card.
Hope it helps!
Answer:
Step-by-step explanation:
M a t h w a y will help you my friend!
I was struggling with math and using it got me get back on track :)