Lemma
EasyIntegers
Lemma practice generator integer-arithmetic #734,291 · Arithmetic · Integers

Signed numbers

The temperature is -13°C and falls by 9°C every hour. What is it after 15 hours?

~3 minAnswer checked instantly
Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your answer
Loading the math keyboard…

Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.